Wisdomap - Wisdomap Medicine is a study aid that helps medical students create differential diagnoses and suitable management plans from a presenting complaint and structured revision notes.

Draw.Chat - Anonymous real-time whiteboard with text and video chat.

Minzel - Minzel is a beautiful and free mindmapping tool built for creatives and gives you the power to...

Limnu - Sketch, share and collaborate with your team

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!

Sketchboard.io - Visual Remote Teamwork. Solve problems and create ideas on endless whiteboard with your teammates by sketching.