Open Source - A front-end GUI for creating, debugging, and executing Ant build files. Features standalone operation or integration with the freeware JEdit editor.

Software configuration management tools and related utilities, as well as information about SCM concepts and methodologies in the file sharing area.

Servlet-based, mailing list archive browser. Includes source, mailing list, and documentation. [Open Source, Apache]

Servlet-based, mailing list archive browser, reading standard UNIX mbox format archives and generating HTML dynamically. [Open Source, Apache]

An open source service-oriented infrastructure for ISVs and other producers of enterprise-class applications.

Class library for constructing graph/diagram editing applications. [Open Source, Apache]

UML modeling tool that includes support for all standard UML 1.4 diagrams. [Open Source, BSD]

A small, fast, SQL and JDBC compliant relational database engine written in and for the Java programming language. [Open source, BSD License]

A (now defunct) content management tool with an intuitive markup language, unixlike access management, a directory structure and seamless page renaming.

A JUnit/CppUnit/xUnit-like framework for C/C++ with a focus on being a lightweight framework that is well suited for integration into embedded systems development projects. [Open Source, LGPL]