Gitter vs Mattermost vs Slack

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Gitter
Gitter

219
202
+ 1
276
Mattermost
Mattermost

243
225
+ 1
270
Slack
Slack

28.1K
20.3K
+ 1
5.9K
- No public GitHub repository available -
- No public GitHub repository available -

What is Gitter?

Free chat rooms for your public repositories. A bit like IRC only smarter. Chats for private repositories as well as organisations.

What is Mattermost?

Mattermost is modern communication from behind your firewall.

What is Slack?

Imagine all your team communication in one place, instantly searchable, available wherever you go. That’s Slack. All your messages. All your files. And everything from Twitter, Dropbox, Google Docs, Asana, Trello, GitHub and dozens of other services. All together.
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