I have the following list, but may have missed some:
- * 3-D Precision - A 3D modelling tool
* ACT - the Adventure Creation Tool - An adventure creation program (created text and graphics adventures) - written by Steve Sutton (unable to contact him)
* Better Basic Expert System
* Blocklands - also known as Blocklands Warrior
* Cartridge Media Manager
* Desktop Publisher - An earlier version of Professional Publisher
* Digital C - An implementation of Small-C
* Droidzone - A fast and furious shoot 'em up arcade game - written by Paul Tuck
* Eye-Q - A bitmap graphics program
* IDIS - Intelligent disassembler
* Lightning - A program to speed up text and graphics on the QL
* Media Manager - A program to allow the QL to read disks written in other formats - written by Chas Dillon and available on the SInclair QL Homepage
* Microbridge - Version of Bridge for the Sinclair QL
* PC Conqueror - A software based MS-DOS emulator
* Professional Astrologer - Astrology program
* Professional Astronomer - A program to detail the stars and planets
* Professional Publisher - A desktop publishing program
* QL Super Monitor - A 68000 machine code monitor / disassembler - written by Keith Poole
* Solution - An earlier MS-DOS emulator
* Success CP/M Emulator - Run CP/M on your QL
* Super Arcadia - Two arcade games - BMX Burner and Grid Racer - written by Derek Jones (BMX Burner) and Ian Robinson (Grid Racer)
* Super Astrologer - Astrology program - the forerunner of Professional Astrologer - written by Elmar J Dünßer
* Super Backgammon - Implementation of the classic board game - written by Ian Robinson
* Supercharge - The first SuperBASIC Compiler - written by Simon Goodwin
* SuperForth - An implementation of the Forth-83 programming language - written by R. E. Jackson and Gerry Jackson and available through the Sinclair QL Homepage
* Super Reversi - A version of Othello written in SuperForth - written by R. E. Jackson and available through the Sinclair QL Homepage
* Super Sprite Generator - A program to create sprites on the QL
* The Editor - A fully fledged editor capable of complex functions
* Transfer Utility - Program to transfer programs from microdrive to disk
* Turbo - The fastest SuperBASIC Compiler produced for the QL - written by Simon Goodwin and now released in the public domain - updated by George Gwilt and others (?)
* Ultraprint