Solvvy - Highly intelligent customer support self-service solution via AI/ML/NLP science
Dozuki - Dozuki is a web-based tool for creating and distributing step-by-step documentation.
Whatfix - Whatfix Enterprise: Enhancing self-service capability of any web product
Bloomfire - Let Bloomfire help you get organized! Organize your content, build your company knowledge base and help your employees to be more successful.
phpMyFAQ - phpMyFAQ is a world’s most popular mobile-friendly, feature-rich and open-sources FAQ software that uses PHP 5.
REWO - REWO is a knowledge documentation and distribution solution, which drastically improves capturing, visualizing and communicating knowledge.