| Program | Role | Version | Date |
|---|---|---|---|
| Only! Valency | Programmer | 1994-12-24 | |
| Reassembler-Paket | Programmer | 1994-03-13 | |
| Premium Mah Jongg II | Programmer | 1993-10-07 | |
| Premium Mah Jongg | Programmer | 1992-01-01 | |
| Laborant Professional | Programmer | 1.05 | |
| Laborant ST/TT Plus | Programmer | 1.23 |
