Prompts - Build a better writing habit
StoryMill - Developers and publishers of Mac, Win, and iOS productivity, home and office and writing software such as MacGourmet, Paperless and many more. Based in MN.
Frost - An open API for Blockchain timestamping
Manuskript - Open-source tool for writers.
Solo - Personal kanban boards hosted on your own server
Novelize - Novelize is an online novel writing app designed to keep authors on track.