Document360 - Self-service knowledge base software focused on SaaS Products & Enterprise Software Projects.
Dr.Explain - Dr.Explain software is a help file authoring tool.
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.
HelpSmith - HelpSmith is a help authoring tool to create CHM HTML help files, manuals, and PDF documents.
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
HelpNDoc - What is HelpNDoc ? Easy to use yet powerful help authoring environment which can generate various documentation formats from a single source.