What are some alternatives?
When comparing kWiki and MkDocs, 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.
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
ProProfs Knowledgebase - ProProfs Knowledge Base is a cutting-edge knowledge management software that assists businesses to create online manuals, guides, documentation, FAQs and more.
Sphinx Search - Sphinx is an open source full text search server, designed with performance, relevance (search quality), and integration simplicity in mind. Sphinx lets you either batch index and search data stored in files, an SQL database, NoSQL storage.
Document360 - Self-service knowledge base software focused on SaaS Products & Enterprise Software Projects.
ReadTheDocs - Spend your time on writing high quality documentation, not on the tools to make your documentation work.