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Cthugha was started by Australian coder Kevin "Zaph" Burfitt in September 1993 under DOS for the PC, but not released to the public until version 2.0 in March 1994. It wasn't until release 5.1p in October 1994  that popularity of the program took off; this coinciding with the relatively new availability of cheap sound-cards for PCs, such as the Soundblaster.
In 1994 Cthugha was used heavily in the music video for the top-40 song Dead Eyes Opened by Severed Heads, and as the video wall background for the Australian children's TV game show Challenger, hosted by Zoe Sheridan during the late 90's
Burfitt stopped work on Cthugha in January 2001, and there were various attempts by others to carry on the project, but by that time there were so many clones of the software that there was little enthusiasm. Cthugha may have been the forerunner – either in inspiration, or possibly even as source-code – of the numerous and varied "visualisation" plugins for mp3 players and media players on many computer architectures.
- Cthugha - The mythical demon the software was named after.
- HotWired 3.03 (page 156), March 1995
- SBpro - sampling stereo directly (not DMA) - comp.sys.ibm.pc.soundcard|Google Groups
- CTHUGHA 2.0 1/1 - comp.sys.ibm.pc.demos | Google Groups:
- Cthugha 5.1 released - comp.sys.ibm.pc.demos | Google Groups
- Cthugha available for Linux - comp.sys.ibm.pc.soundcard.misc | Google Groups
- ANNOUNCE: PowerMac version of CTHUGHA now available! - alt.graphics.cthugha | Google Groups
- Australian PC Review, October 1994