Wikipedia
Loomio
Loomio is decision-making software to assist groups with collaborative decision-making processes. It is a free software web application. Loomio implements occupy hand-signals but allows groups to interpret these as they wish. Users initiate discussions and put up proposals. As discussions progress the group receives feedback on a proposal through an up-datable pie chart.
In 2014, they raised over $100,000 via a crowdfunding effort, to develop Loomio 1.0, with support for mobile phones and other enhancements.
It is built by a core of group of developers based in Wellington, New Zealand. Built in the libre software model, there are contributors to the project from around the world.