Owlie - A beautiful app for quick decision making with friends
DemocracyOS - DemocracyOS is an open source application for online decision making.
Kanbanote - Turn your Evernote into Trello
Loomio - Loomio helps groups of people make decisions together, online.
Decisionize - Simplify decision making in 3 easy steps
GlassFrog - GlassFrog is a software to support and advance your Holacracy practice.