Homepage http://www.atdor.com/
The ATDOR program is developed by Roalt Aalmoes since 1998 and tries to make a 100% pure Tcl application to administrate track & field (athletics or atletiek in Dutch) competitions.
The program is licensed under the Open Source GPL license.
For international audience: The program features an db.tcl 100% pure tcl database manager that makes it easy to create a (relational) database in Tcl.