| Program | Role | Version | Date |
|---|---|---|---|
| GDOS-Check | Programmer | 2.06 | 1994-01-01 |
| HALT_MAL | Programmer | ||
| IdeaForm | Programmer | 1.39 | |
| sWAV | Programmer | 0.02 | |
| Alibi | Programmer | 1.7 | |
| Blinex | Programmer | 1.63 | |
| IdeaBook | Programmer | 1.13 | |
| IdeaList | Programmer | 3.961 | |
| MessMaus | Programmer |
| Articles | Magazine |
|---|---|
| GL und ObjectGEM: GEM leicht gemacht | 22p |
