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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.

For general information about the software, visit liquidfeedback.org.

Current version: LiquidFeedback 3.0

Previous version: LiquidFeedback 2.2


The implementation of LiquidFeedback splits into two parts:

Installation instructions

See our guide on how to install LiquidFeedback on a Debian squeeze system with lighttpd.

More information

If you want to receive news about the project, please consider to subscribe to our announcement mailing list.

There is a blog about the project on blog.liquidfeedback.org and a developers area at dev.liquidfeedback.org.