The Answer Bank - The Answer Bank is the UK’s leading question-and-answer site.
Dozuki - Dozuki is a web-based tool for creating and distributing step-by-step documentation.
Blurtit - Blurtit is a Q&A website. You can ask a question or answer on any question.
DocGen - Static website generator
AllAnswered - Your Team's Collective Brain All-In-One Knowledge Management System Wiki + Q&A + Workflow + AI
openSourceCM - Web-based legal document processing and contract management