phpMyFAQ - phpMyFAQ is a world’s most popular mobile-friendly, feature-rich and open-sources FAQ software that uses PHP 5.

HelpNDoc - What is HelpNDoc ? Easy to use yet powerful help authoring environment which can generate various documentation formats from a single source.

Support Hero - Educate your customers through self-help support

ManualsLib - Just enter the keywords in the search field and find what you are looking for!

iService - iService is an integrated solution for managing all customer interactions with complete web-based interface, routes and automatically responds to customer email, provides a simple but powerful knowledge base, and includes a complete contact manageme…

Manuzoid - Repository that includes user manuals for various products