Mupen64++ (AKA: Mupen64 Plus Plus, formerly called Mupen64K) is a modified version of the original Mupen64 emulator for Nintendo 64 console on Windows, which was developed by Hacktarux from France. It has been extended from the original code with the purpose in mind to keep development up to date.

Project64 (PJ64 for short) is a free and open-source Nintendo 64 (N64) game console emulator for Windows platform. It has very high game compatibility and dispenses with the BIOS files, allows users to play the classic N64 games on the computer with ease.