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.
Stickman: Draw animation - Stickman: Draw animation is an animation editing tool that allows you to create your own animated movies in a few minutes.
Manuskript - Open-source tool for writers.
PixelArtPaint pro - PixelArtPaint pro is a great pixel editor app that allows you to create and edit pixel art on your mobiles.
Novelize - Novelize is an online novel writing app designed to keep authors on track.
ibis Paint X - Drawn with + ibisPaint