I had a similar concern with Trello. There are a few decent open source self-hosted alternatives. In the end I settled on Kanboard. It has a lot more features t

I had a similar concern with Trello. There are a few decent open source self-hosted alternatives. In the end I settled on Kanboard. It has a lot more features than Trello and a decent (although recently launched) plugin ecosystem. http://kanboard.net http://kanboard.net