The Z83 C Compiler is an optimizing cross compiler for a language very similar to C targeted toward the TI83+. The output from the compiler may be assembled with TASM (http://home.comcast.net/~tasm/) or ZASM (http://lpg.ticalc.org/prj_zasm/).
A new generation of trakkers based on portable open-source engine and a set of user-friendly front-ends. You don't like existing trakkers? Create your one with existing engine!