| Easy RGB | Theory and formulas for color conversion between different colo encoding, e.g. RGB, CIE-L, HSV, CMY, CMYK and XYZ |
| Portable Network Graphics | Reference pages for locating information, applications and code related to the PNG image format |
| ASCII - Tabelle | Übersicht über ASCII-Codes und ANSI-Codes in HTML-Schreibweise, Dezimalwerten, Hexadezimalwerten und Scancodes |
| ITS05 - Computer & Webmaster | Hilfe und Erklärungen bei Computer- und Netzwerkproblemen oder bei Fragen zur Hardware. |
| Tutorials-Forum | Großes Nutzer-Forum unter dem Motto "User helfen Usern". |
| Regular expressions | Website explaining RegEx and giving examples for regular expressions |
| oasis Standards | Not-for-profit, international consortium that drives the development, convergence, and adoption of e-business standards |
| Dateiendungen-Datenbank | Datenbank mit über 6000 verschiedenen Dateiendungen sowie den dazugehörigen Dateitypen und Programmen |
| FILExt | Alphabetic list of file extensions which delivers further explanation to the connected file formats |
| ACID tests | Web Standards Compliance Tests |
| UTF8-Zeichentabelle | Übersicht über Codepositionen U+0000 bis U+00FF |
| Description Logics | knowledge representation formalism |
| microformats | Microformats are a set of simple, open data formats built upon existing and widely adopted standards. |
| PNG-Format | Technical Information of the W3C about the licence free PNG-format |
| Latin 1 characters | Table which gives all characters which are available in the ISO Latin 1 character set (ISO 8859-1) |
| WiFi Alliance | Group to support the standard for high-speed wireless local area networking |
