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tutoit.io - Create an in-app measurable tutorial with a single click

TiddlyMap - An interactive concept- and mind-mapping plugin for the personal note-taking software TiddlyWiki based on the Vis.js library. It's free and open-source!

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

MindNet - MindNet is an effective productivity and learning tool that allows you to take notes, write down ideas, learn, brainstorm your mind, and much more in intuitive graphical mind maps.

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