What are some alternatives?
When comparing Sphinx Search and ProProfs Knowledgebase, you can also consider the following products
GitBook - Modern Publishing, Simply taking your books from ideas to finished, polished books.
ZenDesk - Zendesk is a beautiful, lightweight help-desk solution.
MkDocs - Senaste Tweets från Tom Christie (@_tomchristie): "Another positive habit: Getting back into the Uke. Have that satisfying calloused feeling again now, like the fingertips on my left hand have been dropped in wax and dried.
Document360 - Self-service knowledge base software focused on SaaS Products & Enterprise Software Projects.
Doxygen - Doxygen is a tool for generating documentation from annotated C++ sources, as well as other popular...
Freshdesk - Freshdesk is a cloud-based customer support software that lets you support customers through traditional channels like phone and email, social channels like Facebook and Twitter, and your own branded community