Irssi vs Mattermost
| Irssi | Mattermost | |
|---|---|---|
| Free plan | No | No |
| Free trial | No | No |
| Paid from | — | — |
| Open source | No | No |
| Platforms | Linux, Windows | Android, iOS, Linux, macOS, self-hosted, Web, Windows |
| Channels | Yes | Yes |
| Integrations | IRC, ICB, SILC, XMPP, PSYC, Quassel, Matrix, Rocket.Chat, RobustIRC | GitHub, GitLab, Jira, Microsoft Teams, Microsoft 365, Outlook, ServiceNow, Zoom, Pexip, Splunk, Zapier |
| Supported platforms | Linux; Windows via Cygwin or WSL | web, Windows, macOS, Linux, iOS, Android, API, self-hosted |
| Free plan | — | Yes |
| Guest access | — | Yes |
| Message history | — | unlimited |
Both are listed in Best Team Chat Apps. On Samsung Mobile US Press, Mattermost scores higher on our published basis.