| Program | Role | Version | Date |
|---|---|---|---|
| Breakout (Keller/Nebel) | Programmer | 1987-01-01 | |
| Reversi (Nebel) | Programmer | 1987-01-01 | |
| The Invasion of Wabaduu | Programmer | 1987-01-01 | |
| Bildschirm-Disposition/Screen-Arranger (Bidipo) | Programmer | 1.04 | |
| Bomber Bird | Programmer | ||
| Directory Printer | Programmer | 1.0 | |
| Expert | Programmer |
