There are 2 repositories under ti84plusce topic.
Celeste Classic port for the TI-84+CE graphing calculator
A high definition picture viewer for the TI-84 Plus CE!
Tanks! (from Wii Play) for the TI-84 Plus CE
USB CDC / Serial driver for the TI-84+CE
2 Factor Authenticaton (2FA) using a TI-84+ CE graphing calculator and One-Time Passwords (OTP)!
Recreation of the classic arcade game Donkey Kong for the Ti-84 Plus CE
A clone of Snap! (itself a clone of Scratch) for the TI-84 Plus CE graphing calculator.
ez80 BigInt library
Use your the TI-84 Plus CE as an external keyboard!
A CHIP-8 interpreter written in TI-BASIC.
A WIP recreation of the Sans boss fight from Undertale for the TI-84+CE.
Mahjong Solitaire for the TI-84 Plus CE
A collection of (mostly retro) games written for the TI-84+ CE with open source code.
Simple engine/algorithm for the TI-84 Plus CE to render voxels dynamically. May be used in the future for Temple Run or another MC clone!
A recreation of the game M.U.L.E. for the TI84+CE in C.
TI 84 Calculator Scripts
The sequel to Calculator Street Racing. Targets a more complete and realistic racing engine than the original.
Sonic TI-Blast is a game written in TI-BASIC for the TI-83+/TI-84+/TI-84+ CE graphing calculators.
A fun fighting game for the TI-84 Plus CE graphing calculator written in C using the CE C SDK.
This is a game written in TI-BASIC for every TI 84 type calculator! The goal is to build your own space craft and fly it through checkpoints.