Twitch - Twitch is one of the most prominent streaming services around, serving as a platform primarily for video game and pop culture streamers.
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.
Shipstreams - A list of makers shipping live
Manuskript - Open-source tool for writers.
Twitch Creative - Watch artists create. Twitch expands into the arts.
Novelize - Novelize is an online novel writing app designed to keep authors on track.