| C2 Coding | | Contains programs for the TI-83+, TI-85, and TI-89, with tutorials, programming contests, and links. |
| Derive 5 | | TI site about DERIVE, as included with TI's advanced calculators. |
| Flash Website | | Original assembly programs for the TI-89, TI-92, and TI-92+, including source code and screenshots, as well as a few other programs corrected to run with HW2 and AMS 2.0x. |
| Fryed Software | | Contains BASIC programs for nearly all TI calculators as well as information and screenshots for upcoming programs. |
| Sami Khawam's Homepage | | A general TI site with an emphasis on hardware, including linking software, infrared linking information, and a memory expander. |
| Shiar's TI Calculator Page | | Games and programs with screenshots and descriptions for the TI-83, TI-85, and TI-86, along with polar graphing information. |
| Texas Instruments | | TI's calculator division and the official site about TI calculators. Includes information about calculator models, computer linking software, and some math applications. |
| Texas Instruments' FTP Site | | TI's FTP site, containing Graph Link software, math and science programs, CBL applications, and a few games. |
| TeZXas | | ZX Spectrum emulator for the TI-89 and TI-92+. |
| The Richfiles | | A TI-Basic tutorial and information about calculator pricing, acceleration, creating a backlight, and power expansion. |
| TI Acceleration Pages | | Contains extensive information about TI calculator hardware, especially regarding overclocking TI's, a potentially risky process that can make them run faster. |
| TI-8x Programming | | Games and programs with descriptions and programming tutorials for the TI-82, TI-83, TI-85, and TI-86. |
| ticalc.org | | Features programming tutorials, columns, news articles, and thousands of files for download. |
| Yarin's Homepage | | Original programs for the TI-85, TI-86, and TI-92, as well as assembly programming tutorials. | |
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