What are some alternatives?
When comparing kWiki and Helpman, you can also consider the following products
ProProfs Knowledgebase - ProProfs Knowledge Base is a cutting-edge knowledge management software that assists businesses to create online manuals, guides, documentation, FAQs and more.
Tenfold - Tenfold is a mobile game that is designed primarily to be played by iPhone users. The game is available on the app store. The tagline of the game is "twenty seven numbers, endless puzzles. Read more about Tenfold.
HelpDocs - Educate your users with a super simple knowledge base that’s built for teams just like yours.
statuspage - A simple self-hosted status page site with an API written in Django under the BSD license.
Document360 - Self-service knowledge base software focused on SaaS Products & Enterprise Software Projects.
YUNO - YUNO is a web data driven company focussed on solving customer challenges in web data discovery and extraction space.