TIGCC

TIGCC (from "TI" and "GCC") is a software development environment which allows developers to program and compile A68K assembly, GNU assembly, and C code for the Motorola 68000 series Texas Instruments graphing calculators (TI-89 (Titanium), TI-92 Plus and Voyage 200, as well as experimental support for the TI-92 with the Fargo shell). TIGCC is licensed under the GNU General Public License. 
Various parts of TIGCC.
The TIGCC project includes many things that help developers create and manage projects.
Development of TIGCC.
Development of the TIGCC project has decreased drastically recently due to the departure of many team members. While TIGCC is still quite active, it is not growing as fast as it once was. 
Due to disputes between a small group of users and the current maintainer, a fork named GCC4TI was announced on January 3, 2009. It currently has 2 active committers.
TIGCC team.
The TIGCC project was originally developed by an international team of developers , most of whom have since resigned due to lack of time and/or interest. It is currently being maintained by Kevin Kofler.
As in many free software projects, several more people contributed small amounts of code to TIGCC.
Related programming tools.
There are tools which may aid programmers using TIGCC.