General TI-99
- Bill Gaskill’s Timeline
- TI-99/4A Home Computer Book Archive
- The TI-99 Tech Pages
- Cheapo TI-99/4A GROM Reader
- Mainbyte’s Home of the Texas Instruments Computers
- TI-99/4A Gameshelf
- Ed Gerken’s TI99/4a page
- Addatex Software
- Fred Kaal’s site
- TIBASICGames
- TI-99/4A Videogame House
- TI-99 Forever!
- Ninerpedia
- [Code|Hack|Create]
- Smithsonian National Museum of American History – TI-99/4A
- Area99
- Michael’s TI and Geneve Corner
- ti99basic – TI-99/4A BASIC as a scripting language
- The Texas Instruments 99/4 (*NOT 4A*) Page
- The 1979 TI-99/4 Home Computer
- TurboFourth
- TI-99/4A Basic Online Editor
- CF7+ and nanoPEB
- TI-99/4A On Reddit
- TI-99/4A On AtariAge
- The Old School Emulation Center TI-99/4A Page on the Internet Archive
- Whatever Happened to the Texas Instruments Home Computer? – By John C. Dvorak
- SPECTRA TMS9900 Arcade Game Library
- The TI-99/4A Database
- Jedimatt42 TI-99/4A & Geneve
- Stewart Conner’s Homepage
- TMS9900 Single Board Computer
- xdt99 : TI 99 Cross-Development Tools
- TiDisk-Manager – written in Objective-C for the Mac OS X Cocoa framework
- Lotharek`s HXC Floppy Emulator
- Miniature 3D Printed TI-99/4a
- Poke99: “port” of Pokémon Go for TI-99/4A -Standard TI Basic
- TI-99 Infospot
- MyTI99 – Web playable games using a TI-99/4A, TIPI and Stuart’s web browser
- TI-99/4A Java
- The History of Personal Computing – The TI-99
- Flashrom99
- Ressources pour TI-99/4A
- TI-99/4A Stuff
- The FABbnet TI-99/4a Pages
- Creating the F18A – An FPGA-based TMS9918A VDP
- Russian TI-99 Page
Hosted On 99er.net
- Amarillo Users Group
- Mark Wills
- TI Chips (Cleveland) User Group
- SHIFT838’s TI-99/4A and Geneve 9640 Support Site
- Bromosel’s TI-99/4A Downloads
Articles/Blogs
- Chris Kobayashi’s Blog
- Why is my TI-99/4A in Black and White?
- TI-99 Blog – TI-99/4A in the 21st century
- Floppy Days Podcast
Emulation
- Classic99
- V9T9 from Edward Swartz
- Wiz-TI99: A TI-99 emulator for Wiz v1.1.0
- Js99’er
- TI99Sim
- JSMESS – The Javascript MESS Project
- PSPTI99 : A TI-99/4 Emulator for PSP
Other TI Computers
- Classic Computer Collection
- The Little Orphan: The Tomy Tutor
- Tomy Tutor / Tomy Pyuuta Cartridge Archival Set
User Groups
- TI-99 Italian User Club
- TI99ers On-Line User Group
- TI User Group (UK)
- Homepage des TI Clubs ERRORFREE
FTP Sites
Texas Instruments Educational Toys
- Datamath Calculator Museum Speak & Spell Page
- Speak & Spell Texas Instruments simulator
- Smithsonian National Museum of American History – Dataman
- Datamath Caluculator Museum Dataman Page
Sellers Of TI99 Equipment
- Arcade Shopper
- The Destroyer’s TI99/4A Page – SID Sound Card
- Console5 Cap Kits
- TexElec
- RETRO Innovations TI Compact Computer 40 Prototype Boards