So, in this list, we will discuss the 4 best Slack alternatives on Linux.
- Mattermost. Mattermost is a self-hosted alternative to Slack. ...
- Riot. Riot.im is an open-source collaboration-style chat application similar to Slack. ...
- Flock. Flock is a freemium team chat application for Linux, Mac, Windows, and other platforms. ...
- Zulip.