FreeMind is a free and opensource mind mapping application written in Java.

Freeplane is a free, open source software application for creating mind maps and electronic outlines.

Piggydb is an open source Web notebook application that provides you with a platform to build your knowledge personally or collaboratively.

lumio is an online content organizing platform.

XMind is the most professional and popular mind mapping tool.

Tiki Wiki CMS Groupware or simply Tiki, originally known as TikiWiki, is a free and open source Wiki-based content management system and online office suite w…

LogicalDOC is a free document management system that is designed to handle and share documents within an organization.

Lessons Learned Server is a light-weight knowledge-base web application that allows storing textual information, documents and media hierarchically.