Trello
Infinitely flexible. Incredibly easy to use. Great mobile apps. It's free. Trello keeps track of everything, from the big picture to the minute details. http://www. »
Evernote - The note-taking space for your life’s work
Take notes to a new level with Evernote, the productivity app that keeps your projects, ideas, and inspiration handy across all your digital devices. http://www. »