| Programm | Role | Version | Datum |
|---|---|---|---|
| Losungen 2001 | Programmierer | 1.04 | 1999-12-30 |
| DirCompare | Programmierer | 2.00 | 1996-10-24 |
| BibelST | Programmierer | 2.41 | |
| CKTCProt | Programmierer | 1.0 | |
| DataCrypt | Programmierer | 1.04 | |
| GEM-FontView | Programmierer | 1.08 | |
| GP8 Editor | Programmierer | 1.0 |
