What do Git, R, and Mattermost have in common? We’ve each been named a Top 10 Open Source Project of 2015 by opensource.com! Huge thanks to the community for all your support. The honor highlights the incredible momentum of Mattermost in 2015, which continues in December with Mattermost v1.3:  New features: iOS app, fonts, smart auto-complete, LaTeX and more Long awaited open …