FreshStatus - Better status pages in 1-click, FREE FOREVER
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.
ProProfs Knowledge Base - ProProfs Knowledge Base is a cutting-edge knowledge management software that assists businesses to reduces support tickets by self-help and create online manuals, guides, wikis, documentation, FAQs and more.
Avaya one-X Agent - Other Customer Service
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.