
Rocket.Chat
8.2#1 in secure team chat softwareFree planFree planAndroidiOSWebAPI
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| Fact | Rocket.Chat | Slack |
|---|---|---|
| Channels | Yes | Yes |
| Free plan | Yes | Yes |
| Guest access | Yes | Yes |
| Integrations | The marketplace lists integrations including Trello, Zapier, Zoom and Rocket.Chat AI, and supports public and private apps. | Salesforce,Jira,Google Drive,ChatGPT,Asana,Miro,Notion,Zoom,GitHub,GitLab,PagerDuty,Box,Dropbox,Zendesk,Freshdesk,HubSpot |
| Message history | unlimited | limited |
| Security controls | Official security guidance describes TLS termination, upload controls, ClamAV malware scanning, notification-content suppression and data-loss-prevention rules. | Security features include two-factor authentication, access logs, SSO, device management, and data loss prevention. |
Rocket.Chat suits teams that need messaging across desktop, mobile or web, with guest access, channels and integrations. Its named plans also address organizations seeking self-hosted or specialized cloud deployments and the listed government or defense controls.
Slack suits teams that coordinate through channels and connected apps, or need guest and external messaging options. Free workspaces fit users who can work within the 90-day history and ten-app limits.