What are some alternatives?
When comparing kWiki and GitBook, 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.
Atlassian Bitbucket Server - Atlassian Bitbucket Server is a scalable collaborative Git solution.
ProProfs Knowledgebase - ProProfs Knowledge Base is a cutting-edge knowledge management software that assists businesses to create online manuals, guides, documentation, FAQs and more.
GitHub Desktop - GitHub Desktop is a seamless way to contribute to projects on GitHub and GitHub Enterprise.
Document360 - Self-service knowledge base software focused on SaaS Products & Enterprise Software Projects.
Visual Studio Team Services - Visual Studio Team Services (VSTS) provides unlimited Git hosting, cloud build for CI, agile planning and continuous delivery.