uniBox (2004 – 2007)

uniBox source code is available on GitHub: https://github.com/lociii/uniBox-CMS-2.0

uniBox is a modular and accessible content management system mainly used by german municipalities and public institutions.
Public example: http://www.mannlich-gymnasium.de/

uniBox Screenshot
Technologies

Webserver:  Apache on Linux or Windows (depending on customer)
Database: MySQL
Programming languages: PHP, JavaScript
Templating Engine: XSLT
VCS: Subversion