# Mattermost vs Rocket.Chat

| Attribute | Mattermost | Rocket.Chat |
|---|---|---|
| **vioscaleAI score** | 67 (65% (medium)) | 66.6 (75% (high)) |
| activity.commits_last_30d | 100 | 100 |
| adoption.dependent_repos | 371 | 339 |
| adoption.github_stars | 39,264 | 46,211 |
| content.faq | `[{"answer":"Mattermost is a self-hosted or cloud-based collaboration platform offering secure messaging, voice calling, screen sharing, workflow automation, and AI-assisted tools for teams and enterprises. It is indexed under Collaboration Software.","source":"https://mattermost.com","question":"What is Mattermost?","confidence":0.6},{"answer":"Mattermost offers a free tier, so you can start without paying. Paid plans are also available: Open Source, Enterprise E10 and Enterprise E20. Pricing changes often, so verify at source before relying on it.","source":"https://mattermost.com","question":"Is Mattermost free?","confidence":0.6},{"answer":"Mattermost supports the web, Windows, macOS, Linux, iOS, Android and a command-line interface. Platforms we have not confirmed are simply not listed here rather than ruled out.","source":"https://mattermost.com","question":"What platforms does Mattermost support?","confidence":0.6},{"answer":"Yes. Mattermost can be deployed cloud / SaaS, hybrid, on-premise and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://mattermost.com","question":"Can Mattermost be self-hosted?","confidence":0.6},{"answer":"We have confirmed 14 integrations for Mattermost, including Slack, Git, Jenkins, Twitter, Bugzilla, RSS, Gerrit and Redmine, plus 6 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://mattermost.com","question":"What does Mattermost integrate with?","confidence":0.6},{"answer":"We have independently confirmed GDPR for Mattermost. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Mattermost not holding them. Always confirm compliance directly before you rely on it.","source":"https://mattermost.com/security","question":"What security certifications does Mattermost have?","confidence":0.7},{"answer":"Mattermost is available worldwide. Its primary markets are the United States, Canada, the United Kingdom, the EU and Japan. The vendor is headquartered in the United States.","source":"https://mattermost.com","question":"Where is Mattermost available?","confidence":0.75}]` | `[{"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}]` |
| deployment.options | `{"cloud":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` | `{"cloud":true,"hybrid":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` |
| description.long | Mattermost is a self-hosted or cloud-based collaboration platform offering secure messaging, voice calling, screen sharing, workflow automation, and AI-assisted tools for teams and enterprises. | 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. |
| features.capabilities | `{"hosting":"both","sso_scim":true,"free_tier":true,"messaging":true,"api_access":true,"whiteboard":false,"pricing_model":"per_seat_subscription","screen_sharing":true,"video_meetings":false,"app_marketplace":true,"deployment_model":"self_hosted_on_premise","compliance_controls":true,"guest_external_access":true,"recording_transcription":"recording_ai_notes","cross_company_guest_channels":true,"threaded_reply_conversations":true,"automated_workflow_bot_builders":true,"channel_based_topic_organization":true,"jira_github_engineering_webhook_sync":true,"robust_message_search_and_history_indexing":true}` | `{"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}` |
| integrations.count | 700 | 50 |
| integrations.list | `[{"name":"Slack"},{"name":"Git"},{"name":"Jenkins"},{"name":"GitLab"},{"name":"GitHub"},{"name":"Twitter"},{"name":"Bugzilla"},{"name":"RSS"},{"name":"Gerrit"},{"name":"Redmine"},{"name":"Mercurial"},{"name":"SVN"},{"name":"Threema"},{"name":"Pexip"},{"name":"Prometheus","category":"monitoring","direction":"inbound"},{"name":"Grafana","category":"monitoring","direction":"inbound"},{"name":"Microsoft Teams","native":true,"category":"chat","direction":"bidirectional"},{"name":"Matrix","native":false,"category":"chat","direction":"bidirectional"},{"name":"XMPP","native":false,"category":"chat","direction":"bidirectional"},{"name":"Trello","native":true,"category":"project_management","direction":"outbound"},{"name":"ServiceNow","native":true,"category":"itsm","direction":"bidirectional"},{"name":"PagerDuty","native":true,"category":"incident_response","direction":"bidirectional"},{"name":"Splunk","native":true,"category":"monitoring","direction":"bidirectional"},{"name":"Nagios","native":true,"category":"monitoring","direction":"bidirectional"},{"name":"Ansible","native":true,"category":"automation","direction":"outbound"},{"name":"Matterbridge","native":false,"category":"chat","direction":"bidirectional"}]` | `[{"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"}]` |
| language.primary | TypeScript | TypeScript |
| market.availability | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` | `{"primaryMarkets":[],"availabilityScope":"global","availableCountries":[],"notAvailableCountries":[]}` |
| platform.support | `{"ios":true,"mac":true,"web":true,"linux":true,"android":true,"windows":true}` | `{"cli":true,"ios":true,"web":true,"linux":true,"android":true}` |
| pricing | `{"type":"hybrid","plans":[{"free":false,"name":"Enterprise Edition E10","contactSales":false},{"free":false,"name":"Enterprise Edition E20","contactSales":false}],"freeTier":true,"sourceUrl":"https://mattermost.com","retrievedAt":"2026-10-05T11:08:02.475Z"}` | `{"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"}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | freemium |
| pricing.price_level | low | low |
| pricing.transparent | no | no |
| release.cadence_days | 1 | 1 |
| release.history | `[{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.10.3-rc1","date":"2026-10-02T11:23:57Z","type":"prerelease","version":"v11.10.3-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v12.0.0-rc2","date":"2026-09-25T08:37:30Z","type":"prerelease","version":"v12.0.0-rc2"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.11.1","date":"2026-09-24T06:27:30Z","type":"stable","version":"v11.11.1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v12.0.0-rc1","date":"2026-09-18T10:58:45Z","type":"prerelease","version":"v12.0.0-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v10.11.24","date":"2026-09-16T09:55:00Z","type":"stable","version":"v10.11.24"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.10.2","date":"2026-09-15T07:48:24Z","type":"stable","version":"v11.10.2"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.11","date":"2026-09-15T05:06:55Z","type":"stable","version":"v11.7.11"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.11-rc1","date":"2026-09-11T12:06:09Z","type":"prerelease","version":"v11.7.11-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.9.2","date":"2026-09-15T06:26:10Z","type":"stable","version":"v11.9.2"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.11.0","date":"2026-09-07T11:26:50Z","type":"stable","version":"v11.11.0"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.11.0-rc3","date":"2026-09-07T10:37:02Z","type":"prerelease","version":"v11.11.0-rc3"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.10","date":"2026-08-26T11:53:54Z","type":"stable","version":"v11.7.10"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.11.0-rc2","date":"2026-08-25T09:15:51Z","type":"prerelease","version":"v11.11.0-rc2"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.10.1","date":"2026-08-24T07:07:00Z","type":"stable","version":"v11.10.1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.11.0-rc1","date":"2026-08-18T06:47:33Z","type":"prerelease","version":"v11.11.0-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.7.9","date":"2026-08-13T06:29:32Z","type":"stable","version":"v11.7.9"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.9.1","date":"2026-08-13T06:07:31Z","type":"stable","version":"v11.9.1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.9.1-rc1","date":"2026-08-07T09:17:30Z","type":"prerelease","version":"v11.9.1-rc1"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.8.5","date":"2026-08-13T05:45:21Z","type":"stable","version":"v11.8.5"},{"url":"https://github.com/mattermost/mattermost/releases/tag/v11.8.5-rc1","date":"2026-08-07T08:38:34Z","type":"prerelease","version":"v11.8.5-rc1"}]` | `[{"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":"Section 508 Compliance","status":"active","evidenceUrl":"https://mattermost.com"}]` | `[{"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 | 7.3 | 8.7 |
| security.soc2 | - | yes |
| security.trust_center | https://mattermost.com/blog/trusted-device-authentication-101/ | https://www.rocket.chat/blog/nis2-compliance |
| security.vulnerabilities | `{"count":0,"source":"https://advisories.ecosyste.ms/api/v1/advisories?ecosystem=npm&package_name=mattermost-redux&per_page=100","last_12m":0,"max_severity":null}` | `{"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 | Mattermost | Rocket.Chat |
|---|:--:|:--:|
| **Modality** |  |  |
| Messaging | ✓ | ✓ |
| Video meetings | ✗ | ✓ |
| Whiteboard | ✗ | - |
| **Meetings** |  |  |
| Screen sharing | ✓ | ✓ |
| Recording / transcription | Recording + AI notes | Recording |
| **Security** |  |  |
| End-to-end encryption | - | ✓ |
| SSO / SCIM | ✓ | ✓ |
| **Access** |  |  |
| Guest / external access | ✓ | ✓ |
| **Compliance** |  |  |
| Compliance controls | ✓ | ✓ |
| **Deployment** |  |  |
| Hosting | Cloud + self-hosted | Cloud + self-hosted |
| **Scale** |  |  |
| Max participants | - | 4000+ |
| **Ecosystem** |  |  |
| App marketplace | ✓ | ✓ |
| Public API / bot framework | ✓ | ✓ |
| **Commercial** |  |  |
| Free tier | ✓ | ✓ |

*Source: vioscaleAI. Generated 2026-10-16T20:58:40.078Z. "-" = undocumented, not absent.*