[toupeira]

Loomio has been picking up development, they recently launched their new Angular UI and will soon add a powerful plugin architecture [1]

[1] https://github.com/loomio/loomio/pull/2863

[davidovitch]

There's also LiquidFeedback [1] maintained by the Public Software Group of Berlin, difficult to judge how actively developed it is since they use their own Mercurial hosting [2].

It is a bit confusing, adhocracy is maintained by Liquid Democracy B.V. in Berlin, but then there is LiquidFeedback maintained by the Public Software Group of Berlin...

[1] http://liquidfeedback.org/

[2] http://www.public-software-group.org/mercurial