| 43097 | D.A.O. Pour QL | Sinclair QL | French |
| 41415 | Database Diary | Sinclair QL | English |
| 2000106 | Database Management on the Sinclair QL | Sinclair QL | English |
| 2000546 | Datenverarbeitung mit dem Sinclair QL | Sinclair QL | German |
| 36166 | Deathstrike | Sinclair QL | - |
| 40288 | Defchars | Sinclair QL | English |
| 2000770 | Der Sinclair QL unter Kontrolle | Sinclair QL | German |
| 2000111 | Desk-Top Computing with the Sinclair QL | Sinclair QL | English |
| 2000671 | Developing Applications on the Sinclair QL | Sinclair QL | English |
| 41472 | Disassembler | Sinclair QL | English |
| 40293 | Disassembler | Sinclair QL | English |
| 41046 | DoReMi | Sinclair QL | English |
| 37663 | Don't Shoot the QL | Sinclair QL | English |
| 36167 | Double Block | Sinclair QL | - |
| 37159 | Dr. Drive | Sinclair QL | German |
| 40295 | Dragon Slayer | Sinclair QL | English |
| 36168 | Dreamlands | Sinclair QL | - |
| 36169 | Droidzone | Sinclair QL | - |
| 41293 | Dump Procedure | Sinclair QL | English |
| 39908 | Duplicart | Sinclair QL | English |