Bloomfire - Let Bloomfire help you get organized! Organize your content, build your company knowledge base and help your employees to be more successful.
Bitrix24 - Bitrix24 is a free (for small businesses) social enterprise platform. It is a united work space which handles the many aspects of daily operations and tasks. Create your own social intranet in minutes!
Dozuki - Dozuki is a web-based tool for creating and distributing step-by-step documentation.
REWO - REWO is a knowledge documentation and distribution solution, which drastically improves capturing, visualizing and communicating knowledge.
ZenDesk - Zendesk is a beautiful, lightweight help-desk solution.
Confluence - Confluence is content collaboration software that changes how modern teams work