BlankPage - Stay motivated to write, and finish your story

Commit Together by Github - Now add co-authors to your commits

Novelize - Novelize is an online novel writing app designed to keep authors on track.

Commit Print - Posters of your git history

Manuskript - Open-source tool for writers.

gitbird - So, I don't always remember to tweet what I do, but commit my code often, and what do users love more than your product?