DiscussBot - Telegram's web comment widget
HeySpace - HeySpace is the only free task and simple project management software with communication and collaboration feature.
CodeSoap - Automated Github standards for teams
Trello - Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details.
gUmi - Manage infinite Git profiles in one click
Taskade - Make lists, organize your thoughts, and be inspired to get things done. Taskade is a collaborative space for your tasks.