v.cool open source encrypted voice chat.
android client: https://play.google.com/store/apps/details?id=org.pcgod.mumbleclient
LiquidFeedback is an open-source software, powering internet platforms for proposition development and decision making.
LiquidFeedback is an independent open source project published under MIT license by the Public Software Group of Berlin, Germany. The developers of LiquidFeedback have joined together in the Interaktive Demokratie association to promote the use of electronic media for democratic processes