•   English: Jürgen Schoch
•   Français: Christoph Lux, Saïd Kahla, Regina Berger-Schmitt, Xavier Servel
•   Italiano: Franco Anichini, Stefano Scevaroli, Marcello Spreafico
•   Español: Luis Arribas, Javier Rio Rodriguez
•   Russian / русский: Olga Barabanowa (Ольга Борисовна Барабанова), Elena Polyakova (Елена Полякова)
•   Chinese Simplified/简体中文: Xiaopeng Guo (郭晓鹏)
•   Japanese/日本語: Tatsunori Suzuki (鈴木立紀), Tsutomu Nemoto (根本努)

Programming of database and web site by Jürgen Schoch.
This web site uses the following open source software:

• Programming language PHP 8.2
• Web server Apache 2.4
• Database MySQL/MariaDB 10.11
• Database administration phpMyAdmin 5.2
• PHP class HTML_Graphs.php3, v 1.5 of P. Davis
• PHP class JpGraph 4.2.6 of Asial
• Javascript class overLIB 4.21 of Erik Bosrup
• Javascript class Table sorting 1.5.7 of Stuart Langridge, Joost de Valk
• Javascript class tabber.js 1.9 of Patrick Fitzgerald
• Javascript class Google Maps JavaScript API V3 of Google
• GPS Track conversion using RouteConverter by Christian Pesch.