DemocracyOS - DemocracyOS is an open source application for online decision making.
Loomio - Loomio helps groups of people make decisions together, online.
Owlie - A beautiful app for quick decision making with friends
GlassFrog - GlassFrog is a software to support and advance your Holacracy practice.
openDCN - Piattaforma open source per l'e-participation e l'e-democracy
1000minds - 1000minds decision-making software app is a suite of tools for prioritisation, group decision-making, conjoint analysis and maximising value for money. Free trial.