Programs written or published by Christoph Spengler
| Name | Version | Updated | Category |
|---|---|---|---|
| FastMail | 1.42 | - | Maus net |
| Termitenhügel | 0.52 | - | Personal organizer |
| Remarker | 0.72 | - | Hypertext |
| Gewicht | 2.00 | - | Nutrition |
| Dialer | 4.1 | - | Dialer |
| Spiegel | - | Puzzle game | |
| Katalog-Maker | 1.11 | - | Hypertext - Tools |
| PM-Preview | - | Maus net | |
| Tel-Update | 0.20 | - | Mailbox - Tools |
| Font-Print | - | Printer - Fonts |