Leanpub

You can use Leanpub to create, curate, edit, publish and sell a PDF/EPUB/MOBI book based on your blog. Leanpub is being used today by famous bloggers such as Eric Ries...

Commercial Web

LitHive

Place to publish, publicize, and talk about books with both readers and other publishing professionals.

Freemium Web

volpen

Each continuing chapter of a book will be written by a different author. Anybody can submit their continuation, which will go through a voting process, before a winner...

• Discontinued Seems dead. https://www.facebook.com/volpen

Free Web

SmashWords

Affordable formatting for inclusion in Premium Catalog for SmashWords and Kindle Direct Publishing. A service for formatting public domain titles is also available.

Freemium Web

PublishMonster

Publish unlimited ebooks into the biggest stores keeping 100% of your royalties, for a low yearly fixed price ($19.90).

• Discontinued Website/service unavailable.

Commercial $ $ $ Web