Kialo - Kialo is the platform for rational debate. Empowering reason through friendly and open discussions.

Discourse - Discourse is an open source discussion platform built for the next decade of the Internet.

Loomio - Loomio helps groups of people make decisions together, online.

DebateArt.com - DebateArt is a unique and growing community committed to the idea of exchanging views and perspectives through debating.

argunet editor - Argunet Editor is a free argument map editor for analyzing and visualizing complex debates.

DebateIsland - DebateIsland.com is a leading online debate platform which uses A.I. to revolutionize online debating. The site features numerous debating formats including Casual, "Persuade Me," Formalish, Formal Traditional Debating, and Lincoln-Douglas Debating.