# Rocket.Chat vs Zulip

| Attribute | Rocket.Chat | Zulip |
|---|---|---|
| **vioscaleAI score** | 66.6 (75% (high)) | 61.7 (72% (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":"An open-source team collaboration application that organizes conversations into topic-based threads, blending instant messaging with email-style threading to support both real-time and delayed communication patterns. It is indexed under Collaboration Software.","source":"https://zulip.com","question":"What is Zulip?","confidence":0.6},{"answer":"Zulip is open source, so it can be self-hosted and used at no licence cost. A commercial or hosted edition starts at $3.50 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://zulip.com/plans/","question":"Is Zulip free to use?","confidence":0.6},{"answer":"We have confirmed browser-based access to Zulip. That is the extent of what we could verify from public sources, so it may well offer desktop or mobile clients we have not indexed.","source":"https://zulip.com","question":"What platforms does Zulip support?","confidence":0.6},{"answer":"Yes. Zulip can be deployed cloud / SaaS and self-hosted, so it does not have to run on the vendor's infrastructure.","source":"https://zulip.com","question":"Can Zulip be self-hosted?","confidence":0.6},{"answer":"We have confirmed 61 integrations for Zulip, including Slack, Microsoft Teams, Discord, Mattermost, Rocket.Chat, Matrix, IRC and Email, plus 53 more. This is what we could verify from public sources, so the vendor may support others we have not indexed.","source":"https://zulip.com/plans/","question":"What does Zulip integrate with?","confidence":0.6},{"answer":"We have independently confirmed HIPAA and GDPR for Zulip. Certifications we do not list are ones we have not been able to verify from public sources, which is not the same as Zulip not holding them. Always confirm compliance directly before you rely on it.","source":"https://zulip.com/security/","question":"What security certifications does Zulip have?","confidence":0.7}]` |
| deployment.options | `{"cloud":true,"hybrid":true,"on_prem":true,"air_gapped":true,"self_hosted":true}` | `{"cloud":true,"self_hosted":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. | An open-source team collaboration application that organizes conversations into topic-based threads, blending instant messaging with email-style threading to support both real-time and delayed communication patterns. |
| 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":"both","sso_scim":true,"free_tier":true,"messaging":true,"api_access":true,"pricing_model":"per_seat_subscription","e2e_encryption":true,"screen_sharing":false,"video_meetings":true,"app_marketplace":true,"deployment_model":"cloud_saas","hipaa_compliance":true,"compliance_controls":true,"guest_external_access":true,"ad_hoc_voice_video_huddles":true,"cross_company_guest_channels":true,"threaded_reply_conversations":true,"automated_workflow_bot_builders":true,"channel_based_topic_organization":true,"google_workspace_office_365_sync":true,"jira_github_engineering_webhook_sync":true,"salesforce_zendesk_sales_support_sync":true,"robust_message_search_and_history_indexing":true}` |
| integrations.count | 50 | 130 |
| 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":"Slack"},{"name":"Microsoft Teams"},{"name":"Discord"},{"name":"Mattermost"},{"name":"Rocket.Chat"},{"name":"Matrix"},{"name":"IRC"},{"name":"Email"},{"name":"GitHub"},{"name":"GitLab"},{"name":"Bitbucket"},{"name":"Asana"},{"name":"Jira"},{"name":"Linear"},{"name":"Trello"},{"name":"Basecamp"},{"name":"Jenkins"},{"name":"CircleCI"},{"name":"GitHub Actions"},{"name":"Travis CI"},{"name":"TeamCity"},{"name":"Heroku"},{"name":"Netlify"},{"name":"Docker"},{"name":"Kubernetes"},{"name":"Ansible Tower"},{"name":"Puppet"},{"name":"Grafana"},{"name":"Prometheus"},{"name":"Nagios"},{"name":"New Relic"},{"name":"Sentry"},{"name":"PagerDuty"},{"name":"Opsgenie"},{"name":"Splunk"},{"name":"Freshdesk"},{"name":"Zendesk"},{"name":"Salesforce"},{"name":"Dropbox"},{"name":"Google Calendar"},{"name":"Nextcloud"},{"name":"Notion"},{"name":"Zapier"},{"name":"IFTTT"},{"name":"n8n"},{"name":"BigBlueButton"},{"name":"Jitsi Meet"},{"name":"Webex"},{"name":"Zoom"},{"name":"Tenor"},{"name":"Redmine","native":true,"category":"project_management","direction":"inbound"},{"name":"OpenProject","native":true,"category":"project_management","direction":"inbound"},{"name":"Zabbix","native":true,"category":"monitoring","direction":"inbound"},{"name":"Buildbot","native":true,"category":"ci_cd","direction":"inbound"},{"name":"GoCD","native":true,"category":"ci_cd","direction":"inbound"},{"name":"Stripe","native":true,"category":"payments","direction":"inbound"},{"name":"Okta","native":true,"category":"identity","direction":"inbound"},{"name":"OneLogin","native":true,"category":"identity","direction":"inbound"},{"name":"Microsoft Entra ID","native":true,"category":"identity","direction":"inbound"},{"name":"Discourse","native":true,"category":"community","direction":"inbound"},{"name":"Mastodon","native":true,"category":"social","direction":"inbound"},{"name":"Patreon","native":true,"category":"productivity","direction":"inbound"},{"name":"Airbrake","native":true,"category":"error_tracking","direction":"inbound"}]` |
| 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}` | `{"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":"hybrid","plans":[{"free":true,"name":"Free","summary":"Free, limited to 10,000 message history","features":["Message history search (10,000 limit)","File storage up to 5 GB total","Complete team chat solution","Hundreds of integrations","Advanced roles and permissions","Guest accounts"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Cloud plan with limited history and storage","contactSales":false,"includedLimits":{"storage":"5 GB total","messages_history":"10,000"}},{"free":false,"name":"Standard","summary":"$6.67/user/month billed annually or $8/month","features":["Unlimited search history","File storage up to 5 GB per user","Flexible permissions with custom groups","Message retention policies","Brand Zulip with your logo","Priority commercial support","Public access option"],"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":6.67,"period":"year","currency":"USD"},{"kind":"per_unit","unit":"seat","amount":8,"period":"month","currency":"USD"}],"description":"Full-featured cloud plan","contactSales":false,"includedLimits":{"storage":"5 GB per user"}},{"free":false,"name":"Plus","summary":"$10/user/month billed annually or $12/month","features":["All Standard plan features","File storage up to 25 GB per user","SSO with SAML (Okta, OneLogIn)","SCIM user and group sync","Custom domain","Limit user list access for guests"],"minSeats":10,"commitment":"annual","components":[{"kind":"per_unit","unit":"seat","amount":10,"period":"year","currency":"USD"},{"kind":"per_unit","unit":"seat","amount":12,"period":"month","currency":"USD"}],"description":"Advanced cloud plan with enhanced features","contactSales":false,"includedLimits":{"storage":"25 GB per user"}},{"free":true,"name":"Self-hosted (Open Source)","summary":"Free, open-source self-hosted","features":["Complete team chat solution with all Zulip features without limitation","100% open-source software","Retain full control over your data"],"components":[{"kind":"fixed","amount":0,"period":"month","currency":"USD"}],"description":"Free open-source self-hosted option","contactSales":false,"includedLimits":{}},{"free":false,"name":"Self-hosted Basic","summary":"$3.50/user/month (with $20/month first-year discount)","features":["Unlimited support","Email and chat support","SSO with SAML and Microsoft Entra ID","AD/LDAP user sync","Full compliance","Data exports","Data retention policies"],"commitment":"monthly","components":[{"kind":"per_unit","unit":"seat","amount":3.5,"period":"month","currency":"USD"}],"description":"Commercial support plan for self-hosted deployments","contactSales":false,"includedLimits":{}},{"free":false,"name":"Self-hosted Enterprise","summary":"Contact sales for pricing","features":["Email, chat and phone support","SSO with OpenID Connect","AD/LDAP, SAML and OpenID Connect group sync","Implementation consulting","Custom feature development","Advanced deployment options"],"description":"Premium support plan for self-hosted deployments","contactSales":true,"includedLimits":{}}],"summary":"From $6.67/user/month (cloud annual), free open-source self-hosted option, or $3.50/user/month for commercial self-hosted support. Free tier available.","currency":"USD","freeTier":true,"sourceUrl":"https://zulip.com/plans/","retrievedAt":"2026-09-03T17:54:41.041Z","startingPrice":{"unit":"seat","amount":3.5,"period":"month","currency":"USD"},"billingPeriods":["month","year"]}` |
| pricing.free_tier | yes | yes |
| pricing.model | freemium | open_source |
| pricing.price_level | low | free |
| pricing.starting_price | - | `{"amount":3.5,"currency":"USD"}` |
| 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 | yes |
| security.iso27001 | yes | - |
| security.scorecard | 8.7 | - |
| security.soc2 | yes | - |
| security.trust_center | https://www.rocket.chat/blog/nis2-compliance | https://zulip.com/security/ |
| 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 | Zulip |
|---|:--:|:--:|
| **Modality** |  |  |
| Messaging | ✓ | ✓ |
| Video meetings | ✓ | ✓ |
| Whiteboard | - | - |
| **Meetings** |  |  |
| Screen sharing | ✓ | ✗ |
| Recording / transcription | 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 2026-10-16T21:46:50.240Z. "-" = undocumented, not absent.*