- grackle.zip [11-Mar-2011]
- Grackle 0.4 beta, by David Lodge. A dumper and player for
adventures written using the Graphic Adventure Creator. It
supports GAC games from the Spectrum, Amstrad CPC and BBC
B Micro. Archive includes C source and an MS-DOS executable.
- ungac.zip [15-Sep-2018]
- UnGAC version 0.1, by John Elliott. UnGAC reads a snapshot of
a Spectrum adventure game created with Incentive's Graphic
Adventure Creator and produces text listings of the game data.
Archive includes C source, executables for Win32, CP/M, and DOS,