SourceForge.net is the world's largest Open Source software development website, with the largest repository of Open Source code and applications available on the Internet. SourceForge.net provides free services to Open Source developers.
entagged audioformats is used to read and write the tags
JGoodies Looks is an alternative Look-And-Feel for java-swing applications.
Maven is a software project management and comprehension tool. Based on the concept of a project object model (POM), Maven can manage a project's build, reporting and documentation from a central piece of information..
JMP3Renamer is written in Java.
Subversion is an open source version control system..
Free and opensource editor. jEdit is highly customizable and with its' plugins extendable to a small IDE.
The GIMP is the GNU Image Manipulation Program. It is a freely distributed piece of software for such tasks as photo retouching, image composition and image authoring. It works on many operating systems, in many languages.
Opensource Web-Browser with very nice features, like popup-blocking, ad-blocking, tabbed browsing ...
THE Java IDE.