Mattermost http://www.mattermost.org/ #chat #collaboration #opensource #self-hosted #slack Mattermost A self-hosted, open source version of Slack. Shortlink:Share this: Click to share on X (Opens in new window) X Click to share on LinkedIn (Opens in new window) LinkedIn Click to share on Pocket (Opens in new window) Pocket Click to print (Opens in new window) Print Like this:Like Loading... Similar Entries