Programs written or published by Christian Ledermann
| Name | Version | Updated | Category |
|---|---|---|---|
| Dici | 0.9 | 01.01.1996 | Languages - Vocabulary trainer |
| Edition Maritim | - | Sports | |
| LPR-Modula 2 Modulsammlung | - | Modula-2 - Tools & Libs | |
| Nautical Edition SBF | 2.00 | - | Education - Driver's License |
| Def2Hyp | - | Modula-2 - Tools & Libs | |
| SBF - Sportbootführerschein | - | Education - Driver's License |