SSelfHostAlts

Communication - Custom Communication Systems

Self-hosted Communication - Custom Communication Systems apps you can run on your own server.

Rocket.Chat

Communication - Custom Communication Systems

Communications platform that puts data protection first (alternative to Gitter.im and Slack).

Stars
★ 46.3k
Licence
MIT
Updated
  • Docker

Alternative to Slack, Discord

Mattermost

Communication - Custom Communication Systems

Platform for secure collaboration across the entire software development lifecycle, can be integrated with Gitlab (alternative to Slack).

Stars
★ 39.4k
Licence
Proprietary
Updated
  • Docker

Alternative to Slack, Discord

Zulip

Communication - Custom Communication Systems

Zulip is a powerful, open source group chat application.

Stars
★ 26.1k
Licence
Apache-2.0
Updated
  • Runs on ARM

Alternative to Slack

Element

Communication - Custom Communication Systems

Fully-featured Matrix client for Web, iOS & Android.

Stars
★ 13.6k
Licence
Apache-2.0
Updated