| Program | Role | Version | Date |
|---|---|---|---|
| WinOVL | Programmer | 0.2 | 2011-11-13 |
| Logbuch | Programmer | 2.2 | 2008-03-08 |
| Cuba Libre | Programmer | 1.0 | 2005-06-04 |
| After Dawn | Programmer | 1.1 | |
| GEMory | Programmer | 1.0 | |
| GEMTrek | Programmer | 1.2 | |
| Haji | Programmer | 2.2 | |
| Never Mind | Programmer | 1.01 | |
| Puzzle 97 | Programmer | 1.01 |
