GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
AMuseWiki - Amusewiki is more than just a wiki engine, it’s also a powerful authoring, archiving and publishing platform.
MkDocs - Project documentation with Markdown.
Bloomfire - Let Bloomfire help you get organized! Organize your content, build your company knowledge base and help your employees to be more successful.
Docusaurus - Easy to maintain open source documentation websites
Confluence - Confluence is content collaboration software that changes how modern teams work