QEMU - QEMU (short for "Quick EMUlator") is a free and open-source hosted hypervisor that...
Lassie Smoke - The modern way to quit smoking
bochs - Bochs IA-32 Emulator provides a virtual PC that can run operating systems such as Windows, Linux, and BSD.
Smoke Free - Virtual "Quit Smoking Buddy" in your pocket
VMware Workstation - VMware Workstation is a multiple operating system handler to easily evaluate the any other type of new operating systems.
Quitbit - A smart lighter and app to help smokers quit (pre-order)