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.

Write or Die - Write or Die is an application for Windows, Mac and Linux which aims to eliminate writer's...

Drag for Gmail - Transform Gmail into organized To Do lists (like Trello)

4thewords - Write more, have fun. We’re a writing software that blends productivity and game mechanics so you can defeat writer's block and build a consistent writing habit! (We’re like a gym, built by writers, for writers)

KanbanMail - A Kanban board for your emails.

The Most Dangerous Writing App - If you stop typing, all progress is lost.