Scrapbox - A new style of note-taking that lets you create, discuss, and learn together in one self-organizing space.
RexPad - Nimble collaborative note-taking.
Additor beta - Pocket and Evernote got a minimal and collaborative baby
Indigrid - Plain text outliner with side-by-side views.
Unit Notes for iOS - A simple and powerful note-taking app.
Etherpad - Etherpad is a highly customizable Open Source online editor providing collaborative editing in...