| Easter Eggs | Easter Eggs are secret options in programs which can be activated with certain key combinations |
| GNU / FSF | Development of free software operating system GNU like the GNU/Linux. |
| GNU Public License | The rules to distribute GNU public licensed software. |
| Mogel-Eier | Ostereier sind geheime Programmoptionen, die durch bestimmte Operationen gestartet werden. |
| The captcha project | Captchas are computer programs which generate a test to determine human users from bots |
| USK | Der Verein "Unterhaltungssoftware Selbstkontrolle" vergibt die Alterseinstufungen für Computerspiele |
| Developer.com | Recent News for software developers. |
| Excel Colors | Short info onn the Excel Color Palette and list of the ColorIndex in RGB format |
| Opensource Jahrbuch | Jährliche Untersuchung zu Stand und Verbreitung von Opensource Software insbesondere auch in der Wirtschaft |
| Process Information | Website that describes the processes running on computers |
| Heise open | Opensource-Informationsportal des heise Zeitschriftenverlags |
| iPad Mindmapping | Overview over iPad Mindmapping apps |
| PDF Readers | Overview of several PDF reader programs |
