Programs written or published by Harrie F.A. de Leeuw
| Name | Version | Updated | Category |
|---|---|---|---|
| Orbit | 1.2 | - | Science - Astronomy |
| VTX | 2.0a | 11.12.1988 | Teletext |
| Nicelist | 1.0 | 01.09.1986 | Printing - Source code |
| Directory Print (de Leeuw) | 2.0 | 01.09.1986 | Printing programs |