Emulators

GtkTiEmu - An open source TI-89, TI-92, and T-92+ emulator for Linux and Windows.
sourceforge.net/projects/gtktiemu/

TI 85 Emulator for Unix/Linux - An open source emulator for Linux/Unix.
project.terminus.sk/ti85emu/

Tiger Homepage - A TI-92 emulator written in C for both Windows and Macintosh systems.
www.student.nada.kth.se/~md94-jmi/tiger/