linux // software documentation

• Alfresco - A cross-platform Enterprise Content Management (ECM) including Document Management, Collaboration, Records Management, Knowledge Management, Web Content Management and Imaging. Provides multilingual support.
• AurigaDoc - A Java-XML-XSL-based documentation tool for writing XML documents and converting them to other open formats such as HTML.
• Cxref - A C cross-referencing and documentation tool.
• DOC++'s Home Page - A documentation system for C, C++, IDL and Java; generates both TeX output for hard-copies and HTML output for online browsing of documentation.
• Doxygen - A documentation system for C++, C, Java, Objective-C, Python, IDL (Corba and Microsoft flavours) and also PHP, C#, and D. Translated into 30+ languages. Latest release is 1.7.2, 2010-10-09.
• KnowledgeTree - Document Management System - An open source document management system. Commercial editions (with full technical support) are available as well as the free open source edition. N.B. Users are required to fill out a form to obtain the open source edition.
• Owl Intranet Engine - A multi-user document repository (knowledge base) document manager and/or document management system (DMS) for a corporations, small business, groups of people, or individuals.
• ROBODoc - Automating Software Documentation - Automated software documentation that syncs up source code and documentation in a single file. Latest release is 4.99.34, 2007-06-23.
• ScrollKeeper Open Documentation Cataloging Project - Latest version is 0.3.14, 2003.
• Sphinx Documentation - A tool that makes it easy to create intelligent and beautiful documentation for Python projects.
• The Metalab Open Source Metadata Framework - Open Source Metadata Framework (OMF) collects data about open source to describe documentation.
• The phpDocumentor Homepage -- PHP Auto Documentor - The current standard auto-documentation tool for the PHP language. It can be used from the command line or a web interface to create professional documentation from PHP source code. Latest stable release is 1.4.2, 2008-03-31.