Commodore and CP/M
Provides technical information on Commodore's implementation of CP/M, with links to other sources.
CP/M Center
Contains links to several CP/M resources including manuals, downloads and FAQs.
Joe Wein's DRI
Portal to information on CP/M and Microsoft topics as well as some notes from the founder of digital research.
John Elliott's CP/M
Access to technical information and internals of CP/M as well as related links.
S100-Manuals
Contains archive of antique software and technical manuals related S100 and CP/M.
Unofficial CP/M Website
Links to information about binaries, CP/M emulators, shareware programs and original source code. Plus FAQs and related links.
Z-Node 51
Provides CP/M, Z80 computers and Z-systems information. With links to manuals, downloads and various articles.