jsTIfied is an online graphing calculator emulator, emulating z80 calculators (TI-72, TI-82, TI-83, TI-83 Plus, TI-83 Plus Silver Edition, TI-84 Plus, TI-84 Plus Silver Edition, and TI-84 Plus C Silver Edition). Written in 2011, it runs entirely in-browser using HTML5 and Javascript, so it requires neither Java nor Flash, at the time a novelty.

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Invalid Tangram is a graphing calculator arcade game, a cross between Space Invaders and Tetris. It’s a port of a popular PC game by the same name written by Josh Szepietowski.

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mobileTunes 3.2 is a z80 assembly media player for TI graphing calculators that can play up to quadraphonic MOD music through the calculator’s serial-like I/O port.

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Doors CS is the ultimate shell for the TI-83 Plus/TI-84 Plus family of graphing calculators, written in z80 assembly. It’s packed with features for users, including running any BASIC or assembly program or game. For programmers, it has a wide variety of built-in libraries for assembly and BASIC programmers, for graphics, GUI, networking, math, data storage, and more.

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This full-featured z80 assembly text editor packs every document viewing and editing tool you might want into less than 1KB. Making use of Doors CS 7’s file and GUI features, it allows you to read, create, edit, and save documents on your TI-83 Plus or TI-84 Plus graphing calculator, and you can even convert to and from .txt files

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The Ultimate Calculators were a series of TI-83 Plus graphing calculators modded with backlights, PS/2 peripheral ports, a touchpad, case mods, and paint jobs.

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