What are some alternatives?
When comparing kWiki and YUNO, you can also consider the following products
HelpDocs - Educate your users with a super simple knowledge base that’s built for teams just like yours.
Mozenda - The Mozenda screen scraper provides web data extraction software and data scraping tools that make it easy to capture content from the web
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.
Document360 - Self-service knowledge base software focused on SaaS Products & Enterprise Software Projects.
statuspage - A simple self-hosted status page site with an API written in Django under the BSD license.