On this website you will find all the officials resources :

• OS
• Keyfonts
• SDK
• Applications

Be sure to visit the official website.

Ticalc is the reference, the community major website.

If you want to visit only one website, visit ticalc.org.

Cemetech is probably one of the most active website about TI84 plus programming.

The leader even published a book about TI84 plus programming !

Go visit cemetech to learn more about hardware and programming the TI84 plus.

Omnimaga is well known for his basics developpers and some incredible productions.

A lot of axe and assembly programmers are frequently posting here too.

Say hello to Omnimaga.

Tiplanet is the french major website about ti 84 plus.

The site is entirely translated for english native speakers

The website provides a lot of news and hacks.

Have a look at Tiplanet !

Ti freakware provides a lot of resources especially tutorials.

Visit Ti Freakware now !

This is a website mostly about programming.

Currently, not a lot of activity here.

Visit Revsoft.

A nice french forum with some assembly development activity.

Visit Yaronet.

This is a partner site.

They provide helps, tips and tricks and sells ti 84 plus calcs.

Please do not forget to visit calculatorti.

• The Linux Programming Group : Very valuable website
• MaxCoderz : A nice community website.
• Detached Solutions and his forum
• Wikiti : A nice place to find documentation on ports, romcall etc...
• ti-gen : A french and english portal
• Ti basic dev : mostly a good basic community
• Calc games : a place to store programs (inactive currently)
• TI-FR (french) : a nice website
• CnCalc (Chinese) : very active chinese community
• Dwedit(Dan Weiss) and his forum
• TiEmulation (frnech) : Lots of resources (including Roms...)
• tibank (french) and his forum
• Marc Plouhinec : One of the best ti-82 asm programmer(creator of SNG).
• Tout82 (french) and his forum
• Espace-ti (french) and his forum
• Michael Vincent : personnal home page (crazy look and feel : windows 3.1)
• Patai Gergely (Cobb) : Personnal home page of a great assembly programmer
• TI story : a wiki where you can find the story of ti community
• Joe Wingbergmuehle (ION...) : one of the best ti calc developper
• Patrick Davidson : another legend (still active !)
• Brandon Wilson : the famous Brandon Wilson (hacking your PS3 with a ti84plus calc ! and more...)

• Blue crimson : Basic programming
• tibasic wiki
• ti software (french) : A french portal
• Ticalcs.net : an inactive forum
• Out the box programming : a crazy team (old)
• OPIA blog : The home of antidisassemblage and now OPIA (object oriented language for z80 calc).
• Le site du zero : Not a website about calc, but some discussion on this thread

• TI82 asm corner : A must about assembly !
• Void production : An old team (Contests, FAQ...)
• More for 86 : About compatibility from ti85 to ti86
• Icarus production : an old team
• Jonah homepage : Some games
• Sami Khawam : Hardware tutos, IR link, archives
• Stuntworks Calculator division : ASCII art, ti85 and ti86 progs

• TICT : A very good place to ask about C programming
• GCC4TI : The home of the C compiler TIGCC
• TIGCC : The other home of the C compiler
• Yaronet 68k : definitely a very active place. Lots of great games and hacking were started here.
• Technoplaza : Old ti68k resources
• Door OS : About the door os shell
• MXM : A small and old website

• Hackspire : Knowledge base about TI nspire
• inspired-lua : Lua programming

• les83plus.free.fr (french) : Good place.
• ti83plus.online.fr (french) : Very old
• ti83.fr.st (french) : Some resources
• tama's team (french) : Inactive

• z80.info : Very good place to learn about z80 assembly
• CPC rulez (french) : CPC programming