# Rocket.Chat vs Slack

**Leader by vioscaleAI score:** Slack

| Attribute | Rocket.Chat | Slack |
|---|---|---|
| **vioscaleAI score** | 66.6 (75% (high)) | 78.7 (51% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 339 | - |
| adoption.github_stars | 46,211 | - |
| content.faq | `[{"answer":"Rocket.Chat provides real-time messaging, voice, video conferencing, and third-party integrations designed for organizations with strict security and compliance requirements. It supports deployment in cloud, on-premise, hybrid, and air-gapped environments for defense and critical infrastructure operations. It is indexed under Collaboration Software.","source":"https://www.rocket.chat/plans","question":"What is Rocket.Chat?","confidence":0.6},{"answer":"Rocket.Chat does not publish its prices. Pricing is quoted on request, across 4 plans (Starter, Commercial, Government and Defense), so the figure depends on your seat count and requirements. We record this as a pricing-transparency signal rather than guessing a number. Pricing changes often, so verify at source before relying on it.","source":"https://www.rocket.chat/plans","question":"How much does Rocket.Chat cost?","confidence":0.6},{"answer":"Rocket.Chat supports the web, Windows, macOS, Linux, iOS and Android. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://www.rocket.chat/plans","question":"What platforms does Rocket.Chat support?","confidence":0.6},{"answer":"Yes. Rocket.Chat can be deployed cloud / SaaS, hybrid, on-premise, air-gapped and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://www.rocket.chat/plans","question":"Can Rocket.Chat be self-hosted?","confidence":0.6},{"answer":"We have confirmed 26 integrations for Rocket.Chat, including Bitbucket Cloud, GitHub, Google Drive, Google Calendar, Google Workspace, Trello, Loom and WhatsApp, plus 18 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://www.rocket.chat/plans","question":"What does Rocket.Chat integrate with?","confidence":0.6},{"answer":"We have independently confirmed SOC 2, ISO 27001, HIPAA and GDPR for Rocket.Chat. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Rocket.Chat not holding them. Always confirm compliance directly before you rely on it.","source":"https://www.rocket.chat/blog/nis2-compliance","question":"What security certifications does Rocket.Chat have?","confidence":0.7}]` | `[{"answer":"A work operating system that combines messaging, workflow automation, and app integrations to enable team communication, process documentation, and knowledge sharing with enterprise security. It is indexed under Collaboration Software.","source":"https://slack.com","question":"What is Slack?","confidence":0.6},{"answer":"Slack offers a free tier, so you can start without paying. Paid plans start at £5.75 per user per month. Prices are published openly on the vendor's own pricing page. Pricing changes often, so verify at source before relying on it.","source":"https://slack.com","question":"Is Slack free?","confidence":0.6},{"answer":"Slack supports the web and iOS. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://slack.com","question":"What platforms does Slack support?","confidence":0.6},{"answer":"We have only confirmed a cloud / SaaS deployment for Slack, so it appears to be vendor-hosted. If a self-hosted option exists we have not found it documented publicly.","source":"https://slack.com","question":"Can Slack be self-hosted?","confidence":0.6},{"answer":"We have confirmed 15 integrations for Slack, including Salesforce, Atlassian, Lucid, Loom, Miro, Smartsheet, Mural and Zapier, plus 7 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://slack.com","question":"What does Slack integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Slack. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Slack not holding them. Always confirm compliance directly before you rely on it.","source":"https://slack.com/security","question":"What security certifications does Slack have?","confidence":0.7}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | Rocket.Chat provides real-time messaging, voice, video conferencing, and third-party integrations designed for organizations with strict security and compliance requirements. It supports deployment in cloud, on-premise, hybrid, and air-gapped environments for defense and critical infrastructure operations. | Slack is a cloud-based system that enables teams to communicate through channels, integrate with external tools, and automate workflows while maintaining enterprise-grade security and compliance controls. |
| features.capabilities | `{"hosting":"both","sso_scim":true,"free_tier":true,"messaging":true,"api_access":true,"soc2_type_ii":true,"e2e_encryption":true,"screen_sharing":true,"video_meetings":true,"app_marketplace":true,"deployment_model":"self_hosted_on_premise","hipaa_compliance":true,"max_participants":"4000+","compliance_controls":true,"guest_external_access":true,"recording_transcription":"recording","ad_hoc_voice_video_huddles":true,"cross_company_guest_channels":true,"automated_workflow_bot_builders":true,"channel_based_topic_organization":true,"jira_github_engineering_webhook_sync":true,"salesforce_zendesk_sales_support_sync":true,"robust_message_search_and_history_indexing":true}` | `{"hosting":"cloud","sso_scim":true,"messaging":true,"api_access":true,"video_meetings":true,"app_marketplace":true,"deployment_model":"cloud_saas","compliance_controls":true,"guest_external_access":true,"recording_transcription":"recording_ai_notes","threaded_reply_conversations":true,"automated_workflow_bot_builders":true,"channel_based_topic_organization":true,"robust_message_search_and_history_indexing":true}` |
| integrations.count | 50 | 2,500 |
| integrations.list | `[{"name":"Bitbucket Cloud"},{"name":"GitHub"},{"name":"Google Drive"},{"name":"Google Calendar"},{"name":"Google Workspace"},{"name":"Trello"},{"name":"Loom"},{"name":"WhatsApp"},{"name":"GitLab","native":true,"category":"engineering","direction":"bidirectional"},{"name":"Jira","native":true,"category":"engineering","direction":"bidirectional"},{"name":"Bitbucket","native":true,"category":"engineering","direction":"bidirectional"},{"name":"Salesforce CRM","native":true,"category":"crm","direction":"bidirectional"},{"name":"Hubspot CRM","native":true,"category":"crm","direction":"bidirectional"},{"name":"Confluence","native":true,"category":"documentation","direction":"bidirectional"},{"name":"Google Meet","native":false,"category":"video","direction":"outbound"},{"name":"Dropbox","native":false,"category":"storage","direction":"bidirectional"},{"name":"Slack","native":false,"category":"messaging","direction":"inbound"},{"name":"Telegram","native":true,"category":"messaging","direction":"bidirectional"},{"name":"Facebook Messenger","native":true,"category":"messaging","direction":"bidirectional"},{"name":"Instagram","native":true,"category":"social","direction":"bidirectional"},{"name":"BigBlueButton","native":false,"category":"video","direction":"outbound"},{"name":"Pexip","native":true,"category":"video","direction":"outbound"},{"name":"ChatGPT","native":false,"category":"ai","direction":"outbound"},{"name":"Rocket.Chat AI","native":true,"category":"ai","direction":"inbound"},{"name":"Zapier","native":false,"category":"automation","direction":"bidirectional"},{"name":"Bamboo","native":false,"category":"ci_cd","direction":"bidirectional"},{"name":"ClamAV","native":false,"category":"security","direction":"inbound"},{"name":"Zoom","native":true,"category":"video","direction":"bidirectional"},{"name":"Confluence Cloud","native":true,"category":"productivity","direction":"bidirectional"},{"name":"Dropbox Paper","native":true,"category":"productivity","direction":"bidirectional"},{"name":"RapidPro","native":true,"category":"messaging","direction":"bidirectional"},{"name":"TextIt","native":true,"category":"messaging","direction":"bidirectional"},{"name":"Bluescape","native":true,"category":"collaboration","direction":"bidirectional"},{"name":"Collaboard","native":true,"category":"collaboration","direction":"bidirectional"},{"name":"Imgur","native":true,"category":"content","direction":"inbound"},{"name":"Virtru","native":true,"category":"security","direction":"bidirectional"}]` | `[{"name":"Salesforce"},{"name":"Atlassian"},{"name":"Lucid"},{"name":"Loom"},{"name":"Miro"},{"name":"Smartsheet"},{"name":"Mural"},{"name":"Zapier"},{"name":"Microsoft 365","native":true},{"name":"Jira","native":true,"category":"project_management"},{"name":"GitHub","native":true,"category":"engineering"},{"name":"Google Workspace","native":true,"category":"authentication","direction":"inbound"},{"name":"Okta","native":true,"category":"authentication","direction":"inbound"},{"name":"ADFS","native":true,"category":"authentication","direction":"inbound"},{"name":"Zendesk","native":true}]` |
| language.primary | TypeScript | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"cli":true,"ios":true,"web":true,"linux":true,"android":true}` | `{"ios":true,"web":true}` |
| pricing | `{"type":"quote","plans":[{"free":true,"name":"Starter","description":"For technical evaluation, small businesses, and non-profits","contactSales":false},{"free":false,"name":"Commercial","description":"Secure collaboration for commercial enterprises with deployment flexibility and compliance","contactSales":true},{"free":false,"name":"Government","description":"Sovereign communications for public sector agencies with data sovereignty control","contactSales":true},{"free":false,"name":"Defense","description":"Mission-grade communications for defense and intelligence operations","contactSales":true}],"currency":"USD","freeTier":true,"sourceUrl":"https://www.rocket.chat/plans","retrievedAt":"2026-08-14T13:43:43.552Z"}` | `{"type":"subscription","plans":[{"free":true,"name":"Free","summary":"Free forever","features":["90 days of message history","Up to 10 apps from Slack App Directory","1:1 audio and video meetings with screen sharing","1:1 external messages via Slack Connect","SAML-based single sign-on","SCIM user management","EMM integration support","Native data loss prevention","AI conversation summaries","Slackbot personal AI agent","AI workflow generation","AI search","AI daily recaps","AI file summaries"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"GBP"}],"description":"A simpler way to chat and collaborate","contactSales":false,"includedLimits":{"apps":"up to 10","message_history":"90 days"}},{"free":false,"name":"Pro","summary":"£7/user/month (£5.75/user/month billed annually)","features":["Unlimited message history","Unlimited app integrations","2,600+ apps in Slack App Directory"],"components":[{"kind":"per_unit","unit":"user","amount":7,"period":"month","currency":"GBP"},{"kind":"per_unit","unit":"user","amount":5.75,"period":"month","currency":"GBP"}],"description":"Drive productivity in one place","contactSales":false}],"summary":"From £0 (free tier) to £7/user/month (Pro). Free tier available.","currency":"GBP","freeTier":true,"sourceUrl":"https://slack.com","retrievedAt":"2026-08-05T14:23:07.180Z","startingPrice":{"amount":5.75,"period":"month","currency":"GBP"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | commercial |
| pricing.price_level | low | low |
| pricing.transparent | no | yes |
| release.cadence_days | 1 | - |
| release.history | `[{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.9.0-rc.5","date":"2026-10-03T02:37:45Z","type":"prerelease","version":"8.9.0-rc.5"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.9.0-rc.4","date":"2026-10-01T21:59:01Z","type":"prerelease","version":"8.9.0-rc.4"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.9.0-rc.3","date":"2026-09-30T13:13:32Z","type":"prerelease","version":"8.9.0-rc.3"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.9.0-rc.2","date":"2026-09-28T22:20:17Z","type":"prerelease","version":"8.9.0-rc.2"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.9.0-rc.1","date":"2026-09-23T03:47:41Z","type":"prerelease","version":"8.9.0-rc.1"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.9.0-rc.0","date":"2026-09-23T03:23:59Z","type":"prerelease","version":"8.9.0-rc.0"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.8.1","date":"2026-09-09T15:30:46Z","type":"stable","version":"8.8.1"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.8.0","date":"2026-09-01T22:46:35Z","type":"stable","version":"8.8.0"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.8.0-rc.2","date":"2026-08-31T15:59:12Z","type":"prerelease","version":"8.8.0-rc.2"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.8.0-rc.1","date":"2026-08-28T21:23:25Z","type":"prerelease","version":"8.8.0-rc.1"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.8.0-rc.0","date":"2026-08-20T21:43:31Z","type":"prerelease","version":"8.8.0-rc.0"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/7.10.15","date":"2026-08-20T11:16:15Z","type":"stable","version":"7.10.15"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.7.1","date":"2026-08-19T13:47:02Z","type":"stable","version":"8.7.1"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.6.2","date":"2026-08-19T13:45:21Z","type":"stable","version":"8.6.2"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.5.3","date":"2026-08-19T22:29:29Z","type":"stable","version":"8.5.3"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.4.6","date":"2026-08-19T22:39:51Z","type":"stable","version":"8.4.6"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.3.8","date":"2026-08-19T22:40:01Z","type":"stable","version":"8.3.8"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.2.8","date":"2026-08-19T22:36:21Z","type":"stable","version":"8.2.8"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.1.8","date":"2026-08-19T22:42:14Z","type":"stable","version":"8.1.8"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.7.0","date":"2026-08-07T02:06:48Z","type":"stable","version":"8.7.0"}]` | - |
| reliability.status_page | yes | yes |
| security.certifications | `[{"name":"HIPAA","status":"active"},{"name":"GDPR","status":"active"},{"name":"NIS2","status":"active"},{"name":"FINRA","status":"active"}]` | - |
| security.disclosure_policy | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.scorecard | 8.7 | - |
| security.soc2 | yes | - |
| security.trust_center | https://www.rocket.chat/blog/nis2-compliance | https://slack.com/blog/collaboration/security-at-slack-how-slack-protects-your-data |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=%40rocket.chat%2Fapps-engine&per_page=100","last_12m":0,"max_severity":null}` | - |

## Capabilities (Collaboration Software)

| Capability | Rocket.Chat | Slack |
|---|:--:|:--:|
| **Modality** |  |  |
| Messaging | ✓ | ✓ |
| Video meetings | ✓ | ✓ |
| Whiteboard | - | - |
| **Meetings** |  |  |
| Screen sharing | ✓ | - |
| Recording / transcription | Recording | Recording + AI notes |
| **Security** |  |  |
| End-to-end encryption | ✓ | - |
| SSO / SCIM | ✓ | ✓ |
| **Access** |  |  |
| Guest / external access | ✓ | ✓ |
| **Compliance** |  |  |
| Compliance controls | ✓ | ✓ |
| **Deployment** |  |  |
| Hosting | Cloud + self-hosted | Cloud only |
| **Scale** |  |  |
| Max participants | 4000+ | - |
| **Ecosystem** |  |  |
| App marketplace | ✓ | ✓ |
| Public API / bot framework | ✓ | ✓ |
| **Commercial** |  |  |
| Free tier | ✓ | - |

*Source: vioscaleAI. Generated 2026-10-16T21:40:29.739Z. "-" = undocumented, not absent.*