These CDs were, in the early days, whimsically titled using punning references to various movies but with a coding twist; for example, "The Hexorcist" (The Exorcist), "Lord of the Files" (Lord of the Flies), "Gorillas in the Disc" (Gorillas in the Mist), etc.
With the transition of the Mac from 68K to PowerPC, however, Symantec was widely seen as having dropped the ball, and competitor Metrowerks's product CodeWarrior took control of the marketplace.
Several ThreadX-aware development tools are available, such as Wind River Workbench, ARM RealView, Green Hills Software's MULTI, Metrowerks CodeWarrior, IAR C-SPY, Lauterbach TRACE32, and visionCLICK.