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.