Dozuki - Dozuki is a web-based tool for creating and distributing step-by-step documentation.
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!
REWO - REWO is a knowledge documentation and distribution solution, which drastically improves capturing, visualizing and communicating knowledge.
Confluence - Confluence is content collaboration software that changes how modern teams work
Quip - Quip is the modern productivity suite that simplifies your life and helps your team get work done faster.
HelpSite - HelpSite is a simple service to help your setup the perfect support centre or help site.