This website was developed by Konstantin Pribluda in java language with use of countless open source technologies. Thanks to all the contributors and commiters. Special thanks to those projects:

velocity templating engine
Velocity template engine provides page rendering for this website, as well as generic templating solutions
JTec components
This site could be seen as showcase for framework family of J Tec Team (J Tec Team is me and Christoph Eichler)
Pico/Nanocontainer
Pico/Nanocontainer are used ad Dependency injection through the site
Opensymphony project
Opensymphony provides family of projects for website development. We utilize webwork, xwork and sitemesh
hibernate
all persistent data on this website is managed by hibernate
XDoclet 2
XDoclet 2 is used to generate hibernate mapping documents as well as xwork configuration files.