# Rocket.Chat vs Slack

**Leader by Vioscale score:** Slack

| Attribute | Rocket.Chat | Slack |
|---|---|---|
| **Vioscale score** | 57.3 (76% (high)) | 81.5 (54% (medium)) |
| activity.commits_last_30d | 100 | - |
| adoption.dependent_repos | 339 | - |
| adoption.github_stars | 46,031 | - |
| deployment.options | `{"cloud":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` | `{"cloud":true}` |
| description.long | Rocket.Chat is an open-source communications system designed for organizations requiring secure messaging, voice, video, and collaboration with complete infrastructure control and support for regulated environments. | A workspace tool that consolidates team messaging, third-party software integrations, and automated workflows to help distributed teams coordinate work and manage customer interactions more effectively. |
| features.capabilities | `{"hosting":"both","sso_scim":true,"free_tier":true,"messaging":true,"api_access":true,"e2e_encryption":true,"screen_sharing":true,"video_meetings":true,"app_marketplace":true,"max_participants":"4000+","compliance_controls":true,"guest_external_access":true}` | `{"hosting":"cloud","messaging":true,"api_access":true,"app_marketplace":true,"compliance_controls":true,"guest_external_access":true}` |
| integrations.count | 8 | 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":"Salesforce"},{"name":"Atlassian"},{"name":"Lucid"},{"name":"Loom"},{"name":"Miro"},{"name":"Smartsheet"},{"name":"Mural"},{"name":"Zapier"}]` |
| language.primary | TypeScript | - |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"ios":true,"web":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 | commercial | commercial |
| pricing.price_level | low | low |
| pricing.transparent | no | yes |
| release.history | `[{"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"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.7.0-rc.6","date":"2026-08-06T21:58:32Z","type":"prerelease","version":"8.7.0-rc.6"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.7.0-rc.5","date":"2026-08-04T14:44:54Z","type":"prerelease","version":"8.7.0-rc.5"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.7.0-rc.4","date":"2026-08-03T12:31:05Z","type":"prerelease","version":"8.7.0-rc.4"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.7.0-rc.3","date":"2026-07-31T01:36:23Z","type":"prerelease","version":"8.7.0-rc.3"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.7.0-rc.2","date":"2026-07-23T01:56:42Z","type":"prerelease","version":"8.7.0-rc.2"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.7.0-rc.1","date":"2026-07-23T01:07:49Z","type":"prerelease","version":"8.7.0-rc.1"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.7.0-rc.0","date":"2026-07-21T00:42:26Z","type":"prerelease","version":"8.7.0-rc.0"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.0.8","date":"2026-07-11T05:44:55Z","type":"stable","version":"8.0.8"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.6.1","date":"2026-07-10T23:26:12Z","type":"stable","version":"8.6.1"},{"url":"https://github.com/RocketChat/Rocket.Chat/releases/tag/8.5.2","date":"2026-07-10T22:00:07Z","type":"stable","version":"8.5.2"}]` | - |
| reliability.status_page | yes | yes |
| security.disclosure_policy | yes | yes |
| security.gdpr | yes | yes |
| security.hipaa | yes | - |
| security.iso27001 | yes | - |
| security.scorecard | 8.7 | - |
| 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 | - | - |
| **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: Vioscale. Generated 2026-09-01T15:02:54.179Z. "-" = undocumented, not absent.*