Programs written or published by Gero Zahn
| Name | Version | Updated | Category |
|---|---|---|---|
| DivPatch | 3.0 | 06.03.1991 | Configuration |
| Stammbaum | 2.50 | 05.04.1992 | Genealogy |
| Fuzzy-Uhr | 2.0 | 14.09.1992 | Clock |
| Master | 1.0 | 18.05.1990 | Mastermind |
| ABC | 2.51 | 22.11.1991 | Anti virus |
| AUTO-Conf | - | Emulators - Utilities | |
| Emu-Hardcopy | 3.00 | 17.04.1992 | Emulators - Utilities |
| HC216 Pro | 2.50 | 27.11.1991 | Printer - Hardcopy |
| Ataxx | 1.0 | - | Board games |
| Baschon | 17.04.1992 | Emulators - Utilities | |
| Beauty of Binomials | 1.0 | - | Fraktale |
| HCOP216 | 1.75 | 28.12.1990 | Printer - Hardcopy |
| MacText | - | Text converter | |
| Rubik's Magic | - | Puzzle game | |
| UNARJ | 2.30 | - | Archivers |
| VOK | 1.5 | - | Languages - Vocabulary trainer |
| VT52 | 1.5 | 04.06.1991 | Utilities - General |
| PC-Speed Hardcopy | - | Emulators - Utilities | |
| Rubik's Clock | 1.2 | - | Puzzle game |
| Rubik's Cube | 1.2 | - | Puzzle game |
| Harry the Hacker | 1.2 | 11.03.1991 | Adventures - Grafik |
| DFC | - | Disk tools - Disk drives | |
| Units (MS-DOS) | - | Pascal - Units |