Mu is a new Palm OS emulator with a focus on perfectly replicating the functionality of the Palm M515 running Palm OS 4.1. On top of greater accuracy than other emulators, Mu also features libretro compliance for maximum portability and sustainability long-term. As an open-source project, it is also one of the only free Palm emulators available.
The Palm OS Emulator is a Windows desktop application for testing and debugging Palm apps and environments. This page features a pre-packaged build for emulating a Tungsten W. Although it was replaced by the Palm Simulator, the Palm Emulator is a fundamentally different program and may have better compatibility with commercial apps.
The Palm OS Simulator is a Windows desktop application for testing and debugging Palm apps and environments. This page features pre-packaged builds for simulating a Treo 650, LifeDrive, Palm OS 5.4 “Garnet”, and even the unreleased Palm OS 6.1 “Cobalt”, which was ultimately cancelled and replaced by WebOS.