Wabbitemu - Wabbitemu is an accurate emulator for Texas Instruments based calculators TI-73 to TI-86.
Emu48 - HP38/39/40/48/49 Emulator
CEmu TI 84+ CE Emulator - Emulates the TI 84+ CE and TI 83 Premium CE calculators from a ROM dump from a real calculator.
TilEm - TilEm is a TI Calculator Emulator that uses Gtk. It supports:
web2.0calc - Solve advanced problems in Physics, Mathematics and Engineering.
x49gp - Emulator of the newer Hewlett Packard Handheld Calculator Models with ARM CPU (HP49g+ HP50).