Startup Notes - Most actionable advice from each Startup School speaker

Airborn - Create and edit documents online without sacrificing your privacy

Whimsical - The visual workspace for teams.

Google Docs - Create a new document and edit with others at the same time -- from your computer, phone or tablet. Get stuff done with or without an internet connection. Use Docs to edit Word files. Free from Google.

Standard Notes - A safe place for your notes, thoughts, and life's work

Mellel - Home Page for Mellel: The word processor of choice for scholars, writers and long document writing. for Mac OS X and iOS.