|99er Link Database|
Yahoo TI-99 Group
Original online user group; now only providing a very active list serve. Great resource!
TI99ers On-Line User Group
The TI99ers On-Line User Group provides to the TI99er Community a clearinghouse of information by creating and maintaining a repository of TI99er files, data, links, photos and other communications.
TI Tech Pages
Thierry Nouspikel's site with an extensive collection of technical information about the TI-99.
(French) Informations historiques, fiches et des schémas techniques ainsi que des conseils d'entretien et de dépannage sur les micro-ordinateurs: TI-99/4 & 4A,TI-99/7, 99/2, 99/8, CC-40,Geneve, etc...
Tursi\'s TI-99/4A software
Tursi\'s software for the TI hosted at HarmlessLion
Assembly Hello World With Classic99
Step-by-step screenshots describing how to use Classic99 and Editor/Assembler to create a Hello World program from scratch.
The 1979 TI-99/4 Website
This is a site dedicated to the TI-99/4 Home Computer (the one that came before the TI-99/4A). In addition to providing a lot of detailed info on the 99/4 and its history, it also has pages focusing on all the items that were released for the TI-99/4 in 1979 (the first year of production) and the project dedicated to building a complete 1979-manufactured setup.
TI 99/4A Gameshelf
A continually growing collection of downloadable games for the TI 99/4A