Cloud-9 Color Computer Hardware
- Hardware and software development for the Color Computer.
- http://www.frontiernet.net/~mmarlette/Cloud-9/

Tvdog's Archive
- Programs and documentation for the Tandy 1000-series computers, and DOS Internet programs.
- http://www.oldskool.org/guides/tvdog/

Online Vintage Computer Magazine
- Has many how-to articles, and much other TRS-80 related information.
- http://www.8bit-micro.com

Sock Master's CoCo Home Page
- Sock Master's Color Computer programs and information about the CoCo.
- http://www.axess.com/twilight/sock/

Nickolas Marentes Color Computer Workshop
- Software and hardware for the CoCo.
- http://www.nickm.launch.net.au/ProjectArchive/index.html

VZ-ALiVE
- Site based on the TRS-80. Featuring emulators, discussions, programs, downloads, games and information.
- http://vzalive.bangrocks.com/

Club 100
- Continued support for Tandy/Radio Shack computer owners.
- http://www.club100.org/index.html

System 80 Support Site
- Dedicated to the System 80, a TRS-80 Model 1 clone, popular in Australia and New Zealand in the early 1980's and a TRS-80 model 1 (near-)clone.
- http://www.webweavers.co.nz/system-80/

TRS-80 Model I/III/4
- Frequently asked questions.
- http://www.tim-mann.org/trs80faq.html

Trs-80 by Gordon Rahman.
- Unofficial Dutch Usergroup with a DSDD Newdos/80 emulator for the Model I.
- http://home.planet.nl/~srahman/