CPM

• Computers: Emulators  (452)
• Computers: Hardware: Components: Processors: Z80  (6)
• Computers: Hardware: Historical: Retrocomputing  (24)
• Computers: Programming: Languages: Assembly: Z80  (17)
• Computers: Software: Operating Systems: Embedded  (1)
• Computers: Software: Operating Systems: History  (7)
• Computers: Software: Operating Systems: Monolithic  (2)

California Digital, Inc. :

- A company that still sells CP/M.
Commercial CP/M Software Archive :

- A collection of CP/M software, including source codes and documentations.
Commodore and CP/M :

- Technical description of Commodore's implementation of CP/M Plus in C128, including a couple of tools.
comp.os.cpm Frequently Asked Questions. :

CP/M 3 patches for Spectrum and Amstrad :

- CP/M patches for Spectrum +3 and Amstrad PcW16.
CP/M - The First PC Operating System :

- Information about the history of CP/M and Digital Research. Links to various CP/M resources.
CP/M Center :

- Information about CP/M and links to various CP/M resources.
CP/M Main Page :

- Resource on technical internals, software, utilities, many links; by John Elliott.
Joe Wein's DRI page :

- Some notes about Gary Kildall, CP/M and Microsoft from a former DRI programmer.
OAK Repository - CP/M Archive (mirror) :

- German mirror of the largest public CP/M archive.
Osborne CP/M Library :

- Archive containing software and documentation for the Osborne-1 and Osborne Executive.
The Unofficial CP/M Website :

- CP/M binaries and documentation, including the original source code and manuals.
Wikipedia: CP/M :

- Encyclopedia article, with links to many related topics.
ZCN :

- Operating system for Amstrad NC100 Notepad and NC200 Notebook; mostly compatible with CP/M 2.2; descriptions, documents, downloads. Free.
Z-Node 51 :

- Downloads and information for CP/M, Z-systems and Z80 computers. Includes a collection of articles and manuals, too.