1. 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.

    freemium $12.5 / Monthly (Per user - Business Class)

  2. WackoWiki is a light and easy to install multilingual Wiki-engine.

    open-source โ‚ฌ0.0 / Usage

  3. Static single file CMS/Wiki done purely with client-side Javascript and HTML5.

  4. Asana project management is an effort to re-imagine how we work together, through modern productivity software. Fast and versatile, Asana helps individuals and groups get more done.

    freemium $11.99 / Monthly (Per user - Premium)

  5. Beautiful Wikis for Teams. Get started today, free forever!

  6. A safe place for your notes, thoughts, and life's work

  7. Foswiki is the free and open source enterprise collaboration platform.

  8. Modern Publishing, Simply taking your books from ideas to finished, polished books.

  9. Quip is the modern productivity suite that simplifies your life and helps your team get work done faster.

  10. Your company knowledge

  11. Drupal - the leading open-source CMS for ambitious digital experiences that reach your audience across multiple channels. Because we all have different needs, Drupal allows you to create a unique space in a world of cookie-cutter solutions.

  12. A messaging app for teams who see through the Earth!