Alternatives to Slack
Slack is a popular software application. Here you can find self-hosted alternatives that offer similar functionality while giving you more control over your data and privacy.
Found 8 self-hosted alternatives
Element
Fully-featured Matrix client for Web, iOS & Android.
Mattermost
Platform for secure collaboration across the entire software development lifecycle, can be integrated with Gitlab.
Mumble
Low-latency, high quality voice/text chat software.
Rocket.Chat
Teamchat solution similar to Gitter.im or Slack.
Tailchat
Next generation noIM application in your own workspace, not only another Slack/Discord/rocket.chat.
Zulip
Zulip is a powerful, open source group chat application.
Loomio
Collaborative decision-making tool that makes it easy for anyone to participate in decisions which affect them.
qpixel
Q&A-based community knowledge-sharing software.