| OSFlash | a community-run resource site for open source Flash projects and tools. |
| Eclipse | extensible development platform and application frameworks for building software in almost every language. |
| Perlmonks | Help and other stuff for perlprogramming |
| JBoss | Server for developing and deploying enterprise Java applications |
| Delphi-Praxis | Forum und Code-Library für Delphiprogrammierer |
| Natural Docs | Open-source documentation generator which scans your code and builds a HTML documentation from it.
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| HTML Validation | Program to validate HTML sourcecode. Lite version for free download. |
| OpenMP | The OpenMP Application Program Interface supports multi-platform shared-memory parallel programming in C/C++ and Fortran |
| php forum | Portal zum Thema php mit Forum und Tutorials. |
| HTML Purifier | Downloadable PHP tool to minimize the source code length of PHP programs |
| VBarchiv | Portal für VisualBasic Programmierer mit Tipps & Tricks, Befehlsreferenz, Downloadseite und Hilfeforum |
| Subversion | Open source version control system. The software is released under an Apache/BSD-style open source license. |
| Builder portal | News portal for (Web-) Developers with information sorted by programming languages |