Comment by lukan
From this githubpage:
"Mattermost is an open source platform for secure collaboration across the entire software development lifecycle.. "
From this githubpage:
"Mattermost is an open source platform for secure collaboration across the entire software development lifecycle.. "
But also: "open source" -> "open core" (9 months ago) [1]
[1] https://github.com/mattermost/mattermost/commit/0cc906d07e73...