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- Full List of Developers - a list of all of the developers that we are aware of
- Early TPDs - the early TPDs - from the version 5.x era
- v6/WG1/WG2 Era ISVs - the DOS DLL era ISVs, from version 6.x, Worldgroup 1, and Worldgroup 2.
- WG3 Era ISVs - the Win32 DLL era ISVs; Worldgroup 3.x including developers working on The Major BBS V10!