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.

ColdCast - An open social network with zero corporate interference.

Jira - The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.

ZeroMe - Social network for the distributed P2P network ZeroNet.

Virtuagym - Virtuagym is a unique, all-in-one fitness solution tailor-made for fitness businesses of all sizes...

GNU social - GNU social is communication software for both public and private communications.