| 10web 10web.io | AI Website Builder/Cloud Infrastructure | Internal communication. | Ireland |
| 3B Digital 3bweb.com | Marketing | Chat technology and infrastructure | USA |
| 99minds 99minds.io | Customer Retention & Loyalty Tech | Communication tool | United States |
| Abacum abacum.io | Fintech | Messaging services | US |
| Acquis acquisconsulting.com | Consulting | Internal Communication Management | United States |
| Actionable.co actionable.co | Behavior Change Technology | Chat Communications | USA |
| Addigy addigy.com | DevOps | Communication Software | San Francisco, California |
| AI Project Management Assistant teamline.ai | Cybersecurity | Communications Platform | United States |
| AiSDR aisdr.com | AI/ML, Sales Automation, SaaS | Collaboration | US |
| Aiven aiven.io | Data Infrastructure | Internal operational messaging | United States |
| Akuity akuity.io | Cloud Infrastructure | Chat service for internal employees and external customers | slack.com |
| Allego allego.com | Revenue Enablement | Service/Support Management | USA |
| Amberflo amberflo.io | Fintech | Communication Service | San Francisco, CA, USA |
| Anima App animaapp.com | DevOps | Collaboration | N/A |
| Apica apica.io | Observability/Cybersecurity | Integration for alerting | USA |
| Apideck Compliance Center compliance.apideck.com | DevOps | Customer support | USA |
| api.video api.video | Video API | Abuse detection | N/A |
| Apollo apollographql.com | API Orchestration, Software Development, DevOps | Communication Provider | United States |
| Appointlet appointlet.help | Productivity | Business Operations | United States |
| Aptible aptible.com | DevOps, HealthTech | Community discussion | United States |
| Ariso ariso.ai | AI/ML, Productivity | Messaging platform | N/A |
| Arist arist.co | AI/ML, HR Tech | Routing and transmission of messages, where Slack delivery methods enabled. | United States, Australia, Germany, India, Ireland, Japan, Singapore, South Africa, United Kingdom |
| Arista arista.com | Networking and Cloud Infrastructure | Internal and Support Communication | USA |
| Arta arta.io | E-commerce | Team collaboration and communication | United States |
| Arvo arvohq.com | Fintech | Internal communications | Not specified |
| Athos Commerce searchspring.com | E-commerce | Real-time communication tool for collaboration and information sharing. | United States |
| Ativion Data Processors ativion.com | EdTech | Internal messaging and collaboration platform | US |
| Auditboard auditboard.com | GRC (Governance, Risk, and Compliance) | Business Facilitation / Internal Communications | US |
| Auth0 auth0.com | Identity Security | Auth0 corporate IT for chat and collaboration | USA |
| Auth0 auth0.com | Identity Security | Notifications about Tickets | USA |
| Autoheal autoheal.ai | AI for Production Engineering | Internal team communication, customer support channels | United States |
| Autosend autosend.com | Marketing | Internal team communication platform | USA |
| Avoca avoca.ai | AI/ML, Service Automation | internal communications, logging and alerting workflows. | https://slack.com/trust/compliance |
| Axiom axiom.co | Observability | Event Monitoring | USA |
| Axleruns axleruns.com | Fintech | Collaboration | https://slack.com/ |
| Axonius axonius.com | Cybersecurity | Customer Support Messaging and Communications with AI Functionality | United States |
| Bigtime bigtime.net | Professional Services Automation | BigTime | United States |
| Bigtime bigtime.net | Professional Services Automation | BigTime employee communication tool | United States |
| BioRender biorender.com | HealthTech | Internal communication | USA |
| Bitwarden bitwarden.com | Cybersecurity | Collaboration tool | USA |
| Brandfolder brandfolder.com | Marketing | Internal team communication tool, which may include customer support or technical incident response information. | United States |
| Brave Software brave.com | Cybersecurity | Internal communications | United States |
| Bridgit gobridgit.com | Construction Technology | Internal Communications | US, EU |
| BrowserStack browserstack.com | DevOps | Communication services | USA |
| Buddy buddy.hr | HR Tech | Internal team messaging | US / EU regions (SCCs) |
| Buttondown buttondown.com | Email Marketing | Internal communication and support tools | United States |
| Bvoip bvoip.com | Communications, SaaS, UCaaS, CCaaS | Team collaboration and messaging | Unknown |
| By Sprinto suprsend.com | Messaging and Notification Systems | Collaboration & Productivity | United States of America |
| By Sprinto us-global-mail.trust.site | Cloud Infrastructure | Collaboration & Productivity | USA |
| Capcade capcade.com | Collaboration Software | Internal communication | United States |
| Cerebrium cerebrium.ai | AI/ML | — | — |
| Ceros ceros.com | Content Creation/Marketing Tech | Internal chat system | — |
| Chalk AI chalk.ai | AI/ML | Alerting and support offerings | United States |
| Chameleon chameleon.io | Productivity | Internal communication platform | US |
| Charmsolutions charmsolutions.ai | Fintech | Collaboration (chat) for customer support and internal communication. | USA |
| Chassi chassi.com | Fintech | Collaboration and Communications | United States |
| Chatlio chatlio.com | Cybersecurity | Messaging and data hosting | USA |
| Checkr checkr.com | HR Tech | Internal Communication | United States |
| Choozr choozr.ai | Retail Tech | Provides encrypted internal communications for team collaboration and information sharing. | United States |
| Chorus.ai chorus.ai | Sales Intelligence | Collaboration and messaging services | USA |
| Chroma trychroma.com | Data Analytics, AI/ML | Customer Communication | USA |
| Cialfo cialfo.co | EdTech | Internal communications provider | United States |
| Cirrusassessment cirrusassessment.com | EdTech | Facilitate Service Management and Project Collaboration - Provide Instant Messaging | United States, Australia, Canada, France, Germany, India, Japan, South Korea, United Kingdom |
| Claroty claroty.com | Cybersecurity | Cloud based chat | EU |
| Classet classet.org | HR Tech | Stores internal communications, including messages and files. | Unknown |
| Clay clay.com | Data Enrichment and AI Solutions | Customer Support | USA |
| Cleo hicleo.com | HealthTech | Internal messaging | United States |
| Clever clever.com | EdTech | Internal communications | United States |
| ClickView clickvieweducation.com | EdTech | Communications | Not disclosed |
| ClientSuccess clientsuccess.com | Customer Success Software | Customer Communication | United States |
| Clio clio.com | Legal Tech | Collaboration and Communication | United States |
| Cloudamize cloudamize.com | Cloud Infrastructure | Collaborative and instant messaging tool | United States |
| CloudQuery Terms of Use cloudquery.io | Cloud Infrastructure | Customer Support | — |
| Cloudreach cloudreach.com | Cloud Infrastructure | Collaborative and instant messaging tool | United States |
| Cloverpop cloverpop.com | Decision Intelligence | Cloud-based Chat Messaging | United States |
| Cluely cluely.com | AI/ML | Team communication and notifications | United States |
| Coalesce coalesce.io | Analytics | Messaging Integration | Global |
| Cobrowse.io cobrowse.io | Customer Experience Technology | Messaging Software | San Francisco, California |
| Commonplace commonplace.is | Civic Tech | Operations | Ireland |
| Communiti Labs communitilabs.com | Community Engagement | Product development & internal communications | United States |
| Confident-ai confident-ai.com | AI/ML | Team communication and collaboration | United States |
| Conjointly conjointly.com | Market Research | Within-team communication during support and data analytics for custom projects | United States |
| Convertr convertr.io | Data Management | Internal communications and logging | EU |
| Copper CRM copper.com | CRM, SaaS | General | USA |
| Corefy corefy.com | Fintech | Support offerings | Ireland |
| Couchbase couchbase.com | Data Management / AI | Customer support services | United States |
| CounselPro counselpro.ai | Fintech | Internal team communication and customer support channels. | US |
| Courier courier.com | Marketing | Support services | USA |
| Crayon crayon.co | Sales Enablement/Competitive Intelligence | Internal messaging system | USA |
| CRM Messaging crm-messaging.cloud | Communication/CRM Software | Internal collaboration and client communications | USA (with optional data residency) |
| Cubicast cubicast.com | Customer Support Tech | Cloud-based messaging platform | USA |
| Cycle.io cycle.io | Cloud Infrastructure | Customer Support | United States |
| Dagger dagger.io | DevOps | Collaboration | USA |
| Dashlane dashlane.com | Cybersecurity | Communication tool | United States |
| Dashworks dashworks.ai | AI/ML | Communication | Not specified |
| Databricks databricks.com | Data Analytics and AI | Customer support. | United States |
| Data Processor Agreement dext.com | Fintech | Internal communication within Dext | US |
| Data Sub Processor List endpointprotector.com | Cybersecurity | Business messaging app used to communicate the information regarding the support cases. | USA & Ireland |
| Deepgram deepgram.com | Voice AI, Speech Recognition | A messaging app for businesses. | Not specified |
| Deepscribe deepscribe.ai | HealthTech | Internal Communication & Collaboration | USA |
| Delta delta.blue | Cloud Infrastructure Management | Customer related communication | Global |
| DeveloperHub.io developerhub.io | Documentation Management | Messaging integration | USA |
| Dimedove dimedove.com | AI/ML, Lead Qualification, Insurance Technology | Team collaboration and communication platform. | USA |
| Discoveryeducation discoveryeducation.com | EdTech | Internal communications tool | UK, USA |
| Discovery Education discoveryeducation.co.uk | EdTech | Internal communications tool | UK, USA |
| Docsumo docsumo.com | AI Document Automation | Internal collaboration | USA |
| Domaintools domaintools.com | Cybersecurity | Internal and Customer Communications | USA |
| Double double.cloud | — | Internal communication tool for customer support. | US |
| Double doublehq.com | Fintech | Company chat | US |
| DraftOut.ai draftout.ai | EdTech | Team communication and notifications | United States |
| Dragos dragos.com | Cybersecurity | Internal and Customer communications | United States |
| DrDroid drdroid.io | DevOps | Internal Communications | US |
| Drova drova.com | Risk Management / Compliance / Sustainability | Internal Communication Platform | United States |
| DryMerge drymerge.com | AI/ML, CRM Automation | Internal team communications and support | United States |
| Duckbillhq duckbillhq.com | Cloud Cost Management | Collaboration | United States |
| Duffel duffel.com | Travel Tech | Customer support communications | US |
| Dynaboard Docs dynaboard.com | Low-Code Development | Internal communication & notification tool | US |
| Dynatrace dynatrace.com | Observability, AI/ML | Cloud based communication services | United States |
| EarlyDog earlydog.com | Cloud Infrastructure | Customer Communication | Various Locations |
| Edge Delta edgedelta.com | Observability, DevOps, AI | Slack is a messaging program designed specifically for the office. | Not specified |
| Edmentum edmentum.com | EdTech | Integration support | San Francisco, CA 94105 |
| Education Perfect educationperfect.com | EdTech | Team communication | USA |
| Effy effy.ai | HR Tech | Messaging integration | United States |
| Emailchaser emailchaser.com | Sales Enablement | Internal communication platform | USA |
| Employ Inc. employinc.com | HR Tech | Collaboration & Project Management | USA |
| Encord encord.com | AI/ML | Collaboration | USA |
| Enlyft enlyft.com | Cloud Infrastructure | Customer Support | USA |
| Enveedo enveedo.com | Cybersecurity | Internal and Customer Communications | United States |
| EON eon.xyz | Digital Product Technology | Communications | USA |
| Erply erply.com | Retail Tech | Helpdesk and Sales Communication Service Provider | United States |
| Erply erply.fi | Retail Tech | Helpdesk and Sales Communication Service Provider | United States |
| Eventbrite eventbrite.com | Event Management | Communication Tools | USA |
| Everest-systems everest-systems.com | Fintech | Support message processing | US |
| Evvnt evvnt.com | Event Promotion/Marketing | Team Collaboration Software | USA |
| ExecOnline execonline.com | EdTech | Business communication platform | USA |
| Expo expo.dev | DevOps | Customer support | USA |
| Extend extend.ai | AI/ML | Collaboration | USA |
| Fal fal.ai | Generative AI | Internal Communication Tool | United States |
| Featureupvote featureupvote.com | Feedback Management, Gaming | Integration | USA |
| Feedly feedly.com | Market Intelligence, Cybersecurity | Internal Project Management | United States |
| Fielddrive fielddrive.com | Event Technology | Instant messaging software | Global |
| Filevine filevine.com | Legal Tech | Communications platform | San Francisco, California 94105 |
| Fingermark fingermark.ai | QSR Technology | Collaboration | N/A |
| Firetail firetail.io | AI Security | Real-time collaboration via chat | USA |
| Firetail firetail.ai | Cybersecurity | Real-time collaboration via chat | USA |
| Fireworks AI fireworks.ai | AI/ML | Collaboration | United States |
| Flagsmith flagsmith.com | DevOps | Chat Communications | USA |
| Flashpoint.AI flashpoint.ai | Market Research | Internal team communications and support workflows | United States |
| Flexpa flexpa.com | HealthTech | Team communications | United States |
| FlowEQ floweq.com | AI/ML, Customer Experience Management | Team communication and collaboration | United States |
| FlyCode flycode.com | Fintech | FlyCode corporate IT for chat and collaboration | USA |
| Fly.io fly.io | Cloud Infrastructure | Customer support communication | United States |
| Fne fne.com | Cloud Infrastructure | Helpdesk and Sales Communication Service Provider | United States |
| Foqal foqal.io | B2B Customer Support Software | Chat Platform | United States |
| Forge Global forgeglobal.com | Fintech | Instant Messaging Communication | USA |
| Formance formance.com | Fintech | Customer and Internal Communications / Notification Services | US, EU |
| FormAssembly formassembly.com | Data Collection, AI/ML | Internal team communication platform for staff collaboration and coordination | USA |
| Fortinet fortinet.com | Cybersecurity | Collaboration ticketing | US |
| Fresha fresha.com | E-commerce | Cloud-based communication services | United States |
| Frigade frigade.ai | DevOps | Internal communication | USA |
| Fundwave fundwave.com | Fintech | Internal Communication provider | USA |
| Fyxer fyxer.ai | Productivity | Collaboration & Productivity | United States of America |
| GaggleAMP gaggleamp.com | Marketing | Business tool we use internally to communicate | USA |
| Gainsight gainsight.com | Customer Success/SaaS | IT Support Chat | San Francisco, CA, USA |
| Gigs gigs.com | Fintech | Productivity | USA |
| GitPod gitpod.io | AI/DevOps | Instant Messaging and Collaboration | United States of America |
| GitProtect.io gitprotect.io | DevOps | Internal communication tool | US and EU |
| Gleam gleam.io | Marketing | Team communication and collaboration tool | USA |
| Glean Technologies glean.com | AI/ML, Productivity | Customer Communications | United States |
| G LNK glnkco.com | HealthTech | Communication | Global |
| Global Identity Data Verification - Data Zoo datazoo.com | Identity Verification / Compliance Tech | Internal Communication Tool | United States of America |
| GoDataFeed Compliance godatafeed.com | E-commerce | Company Communication | USA |
| Governance360 governance360.com | Governance Technology | Internal team communications and collaboration | Not specified |
| Greenboard greenboard.com | Compliance Software | Internal Chat | USA |
| Greenlight Health Data Solutions, Inc. greenlighthealth.com | HealthTech | Notification of help desk tickets | U.S.A. |
| Growthspace growthspace.com | EdTech | Internal Communication platform | AWS (US) |
| Gruntwork gruntwork.io | DevOps | Customer support | USA |
| HackerOne hackerone.com | Cybersecurity | Collaboration and Communication | United States |
| HappyRobot happyrobot.ai | AI/ML | Customer collaboration. | USA |
| Hasura hasura.io | DevOps | Internal Messaging | USA |
| Haystack usehaystack.io | DevOps | customer engagement and communication | United States |
| Healthjoy healthjoy.com | HealthTech | Cloud-based team communication and collaboration platform | United States |
| Heysam heysam.ai | AI Sales Intelligence | Communication | United States |
| Higher Logic higherlogic.com | Community Engagement Software | Communication/Integrations | USA |
| Hightouch hightouch.com | Marketing | Customer support and communications | USA, Ireland |
| HiHello hihello.com | Productivity | Messaging platform for communication and notifications | United States |
| Hiive hiive.com | Fintech | Communication and messaging services | USA |
| HiPeople Data Partners hipeople.io | HR Tech | Notifications via Slack app | EU |
| Honeydew honeydew.ai | AI/ML, Data Analytics | Workspace productivity and collaboration | US |
| Horizon3 horizon3.ai | Cybersecurity | Collaboration tool for Horizon3.ai. Provides messaging as well as video chats. Also provides a means to notifications for alerts that need real time visibility. | US |
| Hrvey hrvey.com | HR Tech | Team communication platform | United States |
| Humanloop humanloop.com | AI/ML | Customer communication | US, EEA and UK |
| Hunter hunter.io | Marketing | Internal communication platform | USA |
| Hydrolix hydrolix.io | Analytics | Communications and messaging for internal and customer support operations. | United States |
| Hyperbound hyperbound.ai | Sales Training Technology | Collaboration and messaging platform | USA |
| HyperDX hyperdx.io | Observability | Internal alerts/monitoring | United States of America |
| HYPR hypr.com | Cybersecurity | Messaging services | USA |
| IcePanel icepanel.io | Software Architecture | Customer support, user analytics | United States |
| Ideanote ideanote.io | Fintech | Internal communication | United States |
| Imply imply.io | Analytics | Customer support requests | San Francisco, CA 94105 |
| Incident.io incident.io | Incident Management | Customer Support | United States |
| Infisical infisical.com | Cybersecurity | Infisical uses Slack for internal and external communication. | United States |
| Inkeep inkeep.com | AI/ML | Communication & Issue Management | United States |
| Inngest inngest.com | DevOps | Collaboration | Global |
| Inplayer inplayer.com | Media & Entertainment | Internal communication platform | USA |
| Inscribe inscribe.ai | Fintech | Collaboration | USA |
| Insites insites.com | SEO Tools, Digital Marketing | Internal discussion details including client names, addresses, and phone numbers | US |
| Instruqt instruqt.com | DevOps | Customer support | United States |
| Intel 471 intel471.com | Cybersecurity | Customer Support | United States |
| Invent useinvent.com | AI/Customer Service | Team communication platform | USA |
| Jasper jasper.ai | AI/ML, Marketing Technology | Support | US |
| JazzHR jazzhr.com | HR Tech | Collaboration & Project Management | USA |
| Jobber getjobber.com | Field Service Management | Instant messaging | USA |
| Jobvite jobvite.com | HR Tech | Collaboration & Project Management | USA |
| Kinde docs kinde.com | DevOps | Customer support | United States |
| Kiwi kiwi.com | Travel Tech | Collaboration | N/A |
| Knock knock.app | Marketing | Support services (messaging) | USA |
| Lab-1 lab-1.com | Cybersecurity | Collaboration Tools | Global |
| Lakera lakera.ai | Cybersecurity | Customer and Internal Communications | US |
| Learning Pool learningpool.com | EdTech | Chat communications platform | USA/EU |
| Learningwithparents learningwithparents.com | EdTech | Team communication software. | — |
| Level3 level3.ai | AI/ML | Communication and collaboration; Customer Service | USA |
| Lever lever.co | HR Tech | Collaboration & Project Management | USA |
| Lightdash lightdash.com | Analytics | Internal communications tool | N/A |
| Lilt lilt.com | AI/ML, Localization | Instant messaging system | United States |
| Linear linear.app | Productivity | Community | United States |
| list and responsibilities simbase.com | IoT Connectivity | Internal communications. | United States |
| LiveFlow liveflow.com | Fintech | Internal team communication and customer collaboration via shared channels | US |
| Liveforce liveforce.co | HR Tech | Service Communication Tool | Ireland |
| LiveKit livekit.io | AI/ML | Customer communications | United States |
| LiveKit livekit.com | AI/ML | Customer communications | United States |
| LlamaIndex llamaindex.ai | Document Automation, OCR, AI Workflows | Customer support and team communication | US |
| Loadsmart loadsmart.com | Logistics/Transportation Technology | Internal communication tool | United States |
| Lob lob.com | Marketing | Workplace Productivity Communication | United States |
| Logilica logilica.com | AI/ML, DevOps | Support conversations | USA |
| Logit logit.io | Log Management, DevOps | Internal communication | United States |
| Lokalise lokalise.com | Localization/Translation Technology | Internal messenger | USA |
| LookLook looklook.app | Market Research | Communication, File sharing | US |
| LPI Trust laserproductsus.com | Manufacturing / SaaS | Customer and internal communications / notification services | USA |
| Lucidworks lucidworks.com | AI/ML | Messaging and Communication | United States |
| Lusha lusha.com | Data Enrichment | Internal Instant messaging | Ireland |
| Macroscope macroscope.com | DevOps | Collaboration | United States |
| Mailchimp mailchimp.com | Marketing | Communication and collaboration tool. | California, USA |
| Mailtrap mailtrap.io | DevOps | Communication | The United States |
| Make Your Voice AI Monetizable in Every Language podonos.com | AI/ML | Internal and external communications | United States |
| ManageBac managebac.com | EdTech | Team communication and collaboration | USA |
| Manticore manticore.ai | Cybersecurity | Collaboration | slack.com |
| Meetrox meetrox.ai | Sales Enablement | Collaboration | US |
| Memberstack 2.0 memberstack.com | No-Code Tools | Communication Services | USA |
| Memora memoraprivacy.com | Productivity | Facilitates day-to-day communication and collaboration among team members | US |
| Metorial metorial.com | AI/ML | Communication and Collaboration Services | Global |
| Metoro metoro.io | DevOps | Communication, collaboration and customer support | United States |
| Mezmo mezmo.com | DevOps | Sales and Customer Support | USA |
| Mimosa mimosa.co | Wireless Communications | Project Management | United States |
| MinnaLearn minnalearn.com | EdTech | Internal communication tool (receives payment-related emails) | United States |
| Mithryl mithryl.co | Manufacturing Technology | Team communication and collaboration. | United States |
| Mixmax mixmax.com | Sales Technology | Support Services | USA |
| Moble moble.com | AI/ML, Web Development, SaaS | Internal messaging and alerting platform. | USA |
| ModernLoop modernloop.io | HR Tech | Support Services | USA |
| Molin AI molin.ai | AI/ML, E-commerce | Internal team communication | US |
| MooCommerce moocommerce.no | E-commerce | Communications | USA |
| Motion usemotion.com | Productivity | Internal communication | United States |
| Motives motives.ai | AI/ML, Market Research | Business communication platform | USA |
| mParticle mparticle.com | Marketing | Customer support | USA |
| Mynoteable mynoteable.com | HealthTech | Cloud-based team chat services | United States |
| Nalpeiron Documentation nalpeiron.com | Software Licensing and Monetization | Real time chat communication with Nalpeiron Partners | United States |
| Nalpeiron Documentation zentitle.io | Software Licensing & Monetization | Real time chat communication with Nalpeiron Partners | USA |
| Nango nango.dev | API Integration | Communication | USA |
| NanoNets nanonets.com | AI/ML | Team collaboration software | USA |
| Nativo nativo.com | Ad Tech | Communication software | USA |
| Navattic navattic.com | Sales Enablement, Demo Automation | Internal Communication Tool | United States |
| Navero navero.me | HR Tech | Client communication | US by default; selectable data residency region |
| Navixy navixy.com | Telematics | Internal team messaging | United States |
| Neon neon.tech | Cloud Infrastructure | Internal Messenger | United States |
| Neon forward.co.uk | Cloud Infrastructure | Internal Messenger | United States |
| Neosync neosync.dev | — | Internal and External Communication | Collaboration |
| Nocodb nocodb.com | No-Code, Database Management | Internal messenger | USA |
| Nutshell nutshell.com | Sales CRM and Marketing Automation | Internal collaboration | USA |
| Nylas nylas.com | API Integration / Communication Services | Communication & Collaboration | United States |
| Oatfi oatfi.com | Fintech | Communication Channel | United States |
| Octolane octolane.com | Sales Tech | Internal and External Communications | United States |
| Octopus octopus.do | Website Planning Software | Internal messenger | USA |
| OctopusDeploy octopus.com | DevOps | Instant messaging and collaboration platform. Data subject business contact details. | USA |
| Odigos Technologies Inc. odigos.io | Observability/Cybersecurity | Workspace productivity and collaboration | — |
| Oh Dear ohdear.app | Monitoring Tools | Internal team communications | US |
| Okta okta.com | Identity Security | Messaging and collaboration | USA |
| Ontra ontra.ai | Fintech | Internal instant messaging services | USA |
| OpenApply openapply.com | EdTech | Team communication and collaboration | N/A |
| OpenSesame opensesame.com | EdTech | Messaging | USA |
| Optery optery.com | Data Privacy / Cybersecurity | Internal coordination to support customer operations. | USA |
| Optro optro.ai | GRC (Governance, Risk, Compliance) | Business Facilitation / Internal Communications | US |
| Oravo oravo.ai | AI/ML | Team communication and notifications | United States |
| Orb withorb.com | Fintech | Internal messaging | United States |
| Ory ory.sh | Identity and Access Management (IAM) | Dedicated Support Channel and Community Workspace | US |
| Otter.ai otter.ai | AI/ML, Productivity | Internal messaging platform for communications. | United States |
| Outlit outlit.ai | Customer Data Management | Communication data, team collaboration | United States |
| Outreach outreach.io | Sales Technology | Internal communication tool | United States |
| Oyster HR oysterhr.com | HR Tech | Internal Communications | United States |
| Packagist packagist.com | — | Internal communication | Ireland |
| Pamoja Education pamojaeducation.com | EdTech | Internal communication and collaboration | USA |
| PandaDoc pandadoc.com | Document Management | Messaging Channel, including AI Capabilities | United States |
| Pantheon pantheon.io | WebOps | Customer Sub-Processor | USA |
| Panther Labs panther.com | Cybersecurity | Customer Support | United States |
| Parabola parabola.io | Workflow Automation | Communication platform | N/A |
| Paragon useparagon.com | Integration Infrastructure, SaaS | Customer support and team communication (Customer Data) | USA |
| Pay pay.com | Fintech | Representatives, End Customer | N/A |
| Peelinsights peelinsights.com | Analytics | Communication tool | USA |
| Pelcro pelcro.com | Subscription Management | Communication & collaboration | United States of America |
| Pelcro get.pelcro.com | Subscription Management Software | Communication & collaboration | United States of America |
| People HR peoplehr.com | HR Tech | Integrate People HR with Slack to post information to a slack channel, such as 'Birthdays', 'Length of service', and 'Who is out today'. | UK |
| Percona percona.com | Analytics | Percona uses Slack for internal communication and customer communication. Percona processes business contact data while using Slack. | United States |
| Phantombuster phantombuster.com | Sales Automation | Internal management | United States |
| PING pingintel.com | InsurTech | Communication services | United States |
| Pinpayments pinpayments.com | Fintech | Internal messaging system | USA |
| Plain plain.com | AI/ML | Collaboration | Distributed |
| Planning Center planning.center | Church Management Software | Customer Support | USA |
| Plivo plivo.com | AI/ML | Workplace communications platform & Customer support | USA |
| Popl popl.co | Event Management, Sales Technology, CRM Integration | Team communication and collaboration | United States |
| Port port.io | DevOps | Communication platform for teams and customers | USA |
| Positive Intelligence positiveintelligence.com | HealthTech | Collaboration | US |
| Postman postman.com | DevOps | Internal communications | United States |
| Postscript postscript.io | Marketing | Collaboration & Productivity | United States of America |
| Powered by SafeBase railway.com | Cloud Infrastructure | Communication tool | United States |
| Precanto precanto.com | Fintech | Productivity and collaboration tools | USA |
| PrecisePK precisepk.com | HealthTech | Internal Team Communication tool | United States |
| Preludesecurity preludesecurity.com | Cybersecurity | Online community and enterprise communication platform | United States |
| Productive productive.io | Professional Services Automation | Cloud-based Support Services | United States |
| PropelAuth propelauth.com | Cybersecurity | Customer relationship management | United States |
| ProSights prosights.co | Analytics | Collaboration | USA |
| Pushsecurity pushsecurity.com | Cybersecurity | Communications | US |
| Pylon usepylon.com | Customer Support | Internal and External Communications | USA |
| Pyroscope pyroscope.io | — | Alert monitoring | United States |
| Quantic Help Docs quantic.edu | EdTech | Collaboration | USA |
| QueryPie querypie.com | AI/ML | Server integration for enterprise communication | USA |
| QUIC.cloud quic.cloud | Cloud Infrastructure | Business Administration and Customer Support | United States |
| Quo Resource Center quo.com | Telecommunications/AI | Internal team communication | US |
| Quo Resource Center openphone.co | Telecommunications | Internal team communication | US |
| Railway railway.app | Cloud Infrastructure | Communication tool | United States |
| Rapid7 rapid7.com | Cybersecurity | Internal Communication and Messaging | United States |
| Read read.ai | AI/Machine Learning | Team communication and collaboration | United States |
| Ready ready.net | DevOps | Messaging platform | N/A |
| ReadySet thereadyset.co | HR Tech | Internal Communication | United States |
| Reclaim.ai reclaim.ai | Productivity & AI | Internal messaging / customer support | USA |
| Recruiterbox recruiterbox.com | HR Tech | Team collaboration and messaging | USA |
| Refersion refersion.com | Marketing | internal and partner real-time communications | San Francisco, CA |
| Reflag bucket.co | DevOps | Internal and external communication | US |
| Reflag reflag.com | DevOps | Internal and external communication | US |
| Relay relaypro.com | Cloud Communications | Internal Communications | US |
| Relevance AI relevanceai.com | AI/ML | Messaging service | Global |
| Resolver resolver.com | Risk Management, Compliance, Cybersecurity | Cloud-based communication services | United States |
| Respond.io respond.io | Customer Communication Platform | Revenue attribution and sales analytics | USA |
| Retell AI retellai.com | AI/ML | Customer Support & Communication | slack.com |
| Revenue ringdna.com | Sales Enablement, AI, SaaS | Internal communications and collaboration platform | San Francisco, CA, US |
| Revenue revenue.io | Sales Technology | Internal communications and collaboration platform | San Francisco, CA, US |
| Reversecontact reversecontact.com | IT Services and IT Consulting | Internal communication platform | USA |
| RevPal gorevpal.com | RevOps | Collaboration & messaging | United States |
| Rewst rewst.io | Automation, DevOps | Team communication and collaboration platform. | United States |
| Rime rime.ai | AI/ML | Customer support | United States |
| Riot tryriot.com | Cybersecurity | SSO Authentication | United States |
| Risingteam risingteam.com | — | Internal communication | USA |
| Robin robin.education | EdTech | Cloud-based office tools | US |
| Rocketium rocketium.com | Marketing | Collaboration & Productivity | — |
| Rollstack rollstack.com | Analytics | Internal communications | N/A |
| Rosetta Stone rosettastone.com | EdTech | Internal communications | USA |
| Rows rows.com | Productivity | Communication software services | USA |
| Runconverge runconverge.com | Marketing | Instant Messaging Service | US |
| Runway runway.com | Fintech | Customer support communications and internal team collaboration | United States |
| SaaSync - subscription data pipeline for ChartMogul saasync.com | SaaS, Data Analytics | Communications tool | United States |
| SAMMY Labs sammylabs.com | AI/ML | Internal and External Communications | Not specified |
| Sardine sardine.ai | Fintech, Fraud Prevention | Collaboration | US |
| Scale AI scale.com | AI/ML | Messaging and Support | USA |
| Schoolbox schoolbox.education | EdTech | Communication tools | United States, Ireland |
| SchoolsBuddy schoolsbuddy.com | EdTech | Messaging platform for teams | USA |
| Second Front Systems secondfront.com | DevSecOps | Internal messaging and collaboration platform for our teams | US data centers |
| Securityjourney securityjourney.com | Cybersecurity | Communication/support | United States of America |
| Select select.dev | Cloud Infrastructure | Internal Communication | USA |
| Senbee senbee.com | Productivity | Generic, informational, or marketing material, Corporative proprietary information, Public customer information. | United States |
| Send send.ai | AI/ML, Document Processing | Collaboration | Worldwide |
| Sendamply sendamply.com | DevOps | Messaging Services | United States |
| SendSafely sendsafely.com | Cybersecurity | Internal Team Communication & Collaboration | United States |
| Sessionboard sessionboard.com | Event Management/Tech | Chat Communications | USA |
| SevenRooms sevenrooms.com | Hospitality Technology | Customer Support Services | United States |
| ShipBob shipbob.com | E-commerce Fulfillment | Internal Messaging | — |
| Shorthand Support shorthand.com | Marketing | Internal messaging/collaboration system, user event logs | US |
| Sign In App signinapp.com | Security Technology | Online Chat | EEA |
| SigNoz signoz.io | Observability/Monitoring | Collaboration Services | slack.com |
| Simplepoll simplepoll.rocks | Productivity | Workplace communications platform | United States of America |
| SiteConnect siteconnect.io | HealthTech | Internal Communication (Support Triage) | USA |
| SiteWit sitewit.com | Marketing | Customer Support Tool | USA |
| Skyflow skyflow.com | Data Privacy, Cybersecurity | Customer support requests | United States |
| SmartPath joinsmartpath.com | Fintech | Internal SmartPath team communications | Not specified |
| Smartsheet smartsheet.com | Productivity | Internal team communication tool, which may include customer support or technical incident response information. | United States |
| Smilecloud smilecloud.com | HealthTech | Internal communication | Ireland |
| Smugmug smugmug.com | Photography/Cloud Storage | Internal messaging and communication platform | United States |
| Snapforms snapforms.com.au | Productivity | Internal Operational Communication Service | United States (via AWS) |
| Snyk snyk.io | Cybersecurity | Slack is one of Snyk’s key internal communications systems. | Slack services are hosted in the United States. |
| Socket socket.dev | Cybersecurity | Communication around customer support issues; We have a feature to send notifications to users via slack as an opt-in method | USA |
| SonarSource sonarsource.com | DevOps, Software Development, Security | Internal communication and collaboration tool | Europe |
| Sonosim sonosim.com | HealthTech | Communication and productivity tools | USA |
| Spacelift spacelift.io | DevOps | Internal and External Instant Messaging | USA |
| Sparrow Connected sparrowconnected.com | HR Tech | Customer Support | USA |
| Speedscale speedscale.com | DevOps | Collaboration | US |
| Spekit spekit.com | Sales Enablement, AI, Revenue Operations | Instant messaging services | USA |
| Spinach spinach.ai | AI/ML | Internal and external communication | United States |
| Splitmetrics splitmetrics.com | Marketing | Business communication platform | USA |
| Spond spond.com | Club Management Software | Internal Communication Tool | USA |
| Sprinto truthscan.com | AI Detection, Cybersecurity | Team communication | — |
| Squadcast squadcast.com | DevOps | Slack notification service | USA |
| SquaredUp Cloud Support squaredup.com | DevOps | Communication | USA |
| Stacksi stacksi.com | Cybersecurity | Collaboration Tools | United States |
| Standard Metrics standardmetrics.io | Fintech | Internal Communications | US |
| StandupBot standupbot.com | Productivity | Core functionality and internal communications | United States |
| Standuply standuply.com | Productivity, Agile Automation | Communications Platform | United States |
| Stormboard stormboard.com | Collaboration Software | Integration (Optional) | United States |
| Sub Data Processors moesif.com | API Analytics | Customer Communication | United States |
| Sub Processor List diggle.com | EdTech | Internal communication | United States |
| Sub Processors getreprise.com | DevOps | Communication Tool | USA |
| Sub Processors chataid.com | AI/ML | Communication, alerting, logging | San Francisco, CA |
| Sub Processors testmu.ai | AI/ML, Software Testing | Communication tool | United States |
| Sub Processors testmu.ai | AI/ML, Software Testing | Messaging platform for internal communication, chat & notifications. | United States |
| Sub Processors testmuai.com | AI Testing, Cloud Infrastructure | Communication tool | United States |
| Sub Processors testmuai.com | AI Testing, Cloud Infrastructure | Messaging platform for internal communication, chat & notifications. | United States |
| Sub Processors quinncia.io | EdTech | Internal Communication | USA |
| Sub Processors reprise.com | Productivity | Communication Tool | USA |
| Sunday App sundayapp.com | Fintech | Internal communication | EU UK US |
| Supabase supabase.com | Database Management, DevOps | Communication with Authorized Users in connection with the provision of the Services and support | USA |
| Supademo supademo.com | DevOps | Team communication and collaboration | USA |
| Super super.ai | Document Automation | Communication | U.S. |
| Superblocks superblocks.com | DevOps | Customer Support | United States |
| Supered supered.io | Productivity | Internal company communications, customer service communication | USA |
| Superside superside.com | Creative Services, AI-Powered Design | Voluntary communication management between Superside and customers | US |
| Supportyourapp supportyourapp.com | Customer Service Outsourcing | Internal communication tool | Ireland |
| Surgicalxr surgicalxr.com | HealthTech | Communication | U.S |
| SurrealDB surrealdb.com | Database Management | Customer Support Ticketing | United States |
| Svix svix.com | Developer Tools | Internal-collaboration tool and communication platform to manage support requests from customers. | CA, USA |
| Swarmer getswarmer.com | Defense Tech | Cloud-based Communication Platform | US |
| Sweetspot sweetspot.so | GovTech | Team collaboration and communication | United States |
| Synadia synadia.com | Cloud Infrastructure | Alerting and Messaging | USA |
| Syncmatters syncmatters.com | CRM Integration | Internal team messaging. | United States |
| Synder synder.com | Fintech | Messaging platform for teams, simplifying communication and collaboration with channels, direct messaging, and integrations | — |
| Sysdig sysdig.com | Cloud Security | Messaging Application | USA |
| Tability tability.io | Productivity | Community engagement and support | Unknown |
| Talkable talkable.com | Marketing | providing Talkable with service focuses on communication | USA |
| TapResearch tapresearch.com | Market Research | Sample Buying Platform | United States |
| Tassomai tassomai.com | EdTech | Internal Messaging and Communication | Global |
| Teleport goteleport.com | Cybersecurity | Collaboration and Communication | United States |
| Telerivet telerivet.com | — | Telerivet uses Slack to provide internal communication software for its employees and contractors. | US |
| Teleskope teleskope.ai | Cybersecurity | Customer Support | USA |
| Teleskope teleskope.co | — | Customer Support | USA |
| Testpad testpad.com | QA Automation / Test Management | Internal team communications | US |
| testRigor testrigor.com | Test Automation, AI/ML | Communication and collaboration tool | US |
| TheirStack Docs theirstack.com | Sales Intelligence | Communication platform | United States |
| Theopenlane theopenlane.io | Compliance Software | Communication Tools | USA |
| The Predictive Index predictiveindex.com | HR Tech | Client Support | USA |
| Thinkific thinkific.com | EdTech | Real time chat communication with Thinkific Partners | United States |
| ThoughtExchange thoughtexchange.com | EdTech | Customer Support | United States |
| Thread thread.app | Customer Success Automation | Internal company communication | United States |
| Threatq threatq.com | Cybersecurity | Communication, Customer Relations, Sales | US |
| Tiger Data tigerdata.com | Analytics | Alert monitoring, support communications | United States |
| Tilled tilled.com | Fintech | Internal communication | USA |
| Timely gettimely.com | HealthTech | Cloud-based communication services | United States |
| Timescale timescale.com | Analytics | Alert monitoring, support communications | United States |
| Toggl toggl.com | Productivity | Instant messaging services | United States |
| Toggl Hire togglhire.com | — | Instant messaging services | United States |
| Torq torq.io | Cybersecurity | Customer support and communications | USA |
| Transformation Suite edubites.com | EdTech | Client Support services | EU |
| Tray tray.ai | AI/Integration Platform as a Service (iPaaS) | Company communication | United States |
| TRM Labs trmlabs.com | Cybersecurity | Staff communications platform | US |
| Tropic tropicapp.io | Procurement & Spend Management | Support and communication | US |
| Trusted Family trustedfamily.com | — | Team messaging and collaboration | United States |
| Trustmary trustmary.com | Customer Experience Management | Support Automation | USA (DPA) |
| TUNE tune.com | — | Internal Communication and Collaboration | USA |
| Twingate twingate.com | Cybersecurity | Customer communications system. | United States |
| Typefully typefully.com | Social Media Management, AI Tools | Internal notifications and support workflows. | USA |
| Uberflip uberflip.com | Marketing | Employee business communications. | United States |
| Ubicloud ubicloud.com | Cloud Infrastructure | Collaboration & communication platform, including for customer support | EU |
| Ubiq ubiqsecurity.com | Data Security | Team chat services | United States |
| Unifyr unifyr.com | Channel Technology | Team messaging and collaboration with customers/partners via shared channels | US |
| Unifyr ziftsolutions.com | Channel Management/Partner Relationship Management (PRM) | Team messaging and collaboration with customers/partners via shared channels | US |
| Unusual unusual.ai | AI/Brand Alignment | Internal communication | USA |
| Uptime uptime.com | Monitoring Services | Internal business communications | United States |
| Upzelo upzelo.com | Customer Loyalty Software | Internal Communication | United States |
| Userback userback.io | Product Management, User Feedback Tools, SaaS | Customer support services | United States |
| Userflow userflow.com | Product Adoption | Used for notifications about customers | USA |
| Userlist userlist.com | Marketing | Internal communication | USA |
| Usetiful usetiful.com | Digital Adoption | 2nd level support - communication between DobbyTec team members | N/A |
| Uslegal uslegal.com | Legal Tech | Providing communication services to Customers. | United States |
| Vantage vantage.sh | Fintech | Team Collaboration & Messaging | USA |
| Vectara vectara.com | AI/ML | Customer and Sales Support | United States |
| Veille veille.io | — | Internal communication | US |
| Velou velou.com | AI/ML, E-commerce | Messaging and alerting among team members | USA |
| Verifiable verifiable.com | HealthTech | Company communications tool. | U.S. |
| Virtru virtru.com | Cybersecurity | Collaboration | U.S. |
| Vogent vogent.ai | AI/ML, Voice Technology | Customer support communication and internal collaboration | US/EU |
| Voiceform voiceform.com | Data Analytics/AI | Allows us to manage daily operations and collaboration with essential stakeholders. | USA |
| Vortexa vortexa.com | Analytics | Support interactions and escalations relation to Vortexa products | USA |
| Voximplant voximplant.com | Cloud Communications | Data is processed for communication and internal collaboration purposes. | — |
| Vybe vybe.build | Low-Code Development, Internal Tools | Collaboration | USA |
| Walletguide walletguide.com | Fintech | Real-time communication inside the company | US |
| WarpBuild warpbuild.com | DevOps | Messaging Services | USA |
| Wavelo wavelo.com | Telecom, AI/ML | communication and collaboration | USA |
| Weaviate weaviate.io | AI/ML, Data Analytics | Internal communications tool | USA |
| We Create Problems wecreateproblems.com | HR Tech | Collaboration & Productivity | United States of America |
| Wellfound wellfound.ai | HR Tech | Collaboration | 500 Howard Street San Francisco, CA 94105, United States |
| Wellsaidlabs wellsaidlabs.com | AI/ML, Voice Technology | Messaging and alerting | US |
| WeTravel wetravel.com | — | Internal communication. | USA |
| Whimsical whimsical.com | Productivity | Communication platform for company-wide and private messaging | USA |
| Wild Mail wildmail.io | Marketing | Task manager and team communication | USA |
| Windsurf windsurf.com | DevOps | Internal communications | Unknown |
| Wintro wintro.ai | HR Tech | Collaboration | — |
| Withcortex withcortex.ai | Productivity | Collaboration | USA |
| Wodby wodby.com | — | Internal operational notifications and support coordination | United States |
| Wootric wootric.com | Customer Experience Management | Support, Marketing, and Sales | USA |
| WordPress Experts wpserved.com | Web Development | Instant messaging services | United States |
| Workleap Sub Processors workleap.com | HR Tech | Internal communications platform used for customer support and troubleshooting purposes | USA |
| Workspan workspan.com | Partner Management/Partnership Automation | Cloud-based Notification and Collaboration Services | United States |
| Xodo Sign (formerly eversign) eversign.com | eSignature/Document Management | Communication services | United States |
| Xopero xopero.com | Cybersecurity | Internal communication tool | US and EU |
| Xurrent 4me.com | ITSM/IMR | Internal Communication Provider | USA |
| Xurrent xurrent.com | IT Service Management (ITSM) | Internal Communication Provider | USA (United States of America) |
| Zartis zartis.com | AI/ML | Internal communication and collaboration platform | US |
| Zesty zesty.co | Cloud Infrastructure | Internal communication tool for Support | US |
| zFast zfast.uk | Web Hosting | For internal messaging that may involve customer name and contact details, to facilitate customer support. | Not Specified |
| Ziflow ziflow.com | Workflow Management, Creative Operations | CRM | USA |
| Zip ziphq.com | Procurement Technology | For customers enrolled in Slack notifications and customer support; may process customer data. | USA |
| Zipy Sub Processor List zipy.ai | DevOps | Intra team and customer interactions | USA |
| ZoomInfo zoominfo.com | Sales Intelligence | Collaboration and messaging services | USA |