RetroArch is a free, ad-free, and open-source cross-platform frontend/framework designed to support emulators, game engines, video games, media players, and various applications. It utilizes libretro cores to run a wide array of systems, including classic consoles like Atari, Nintendo, Sega, and Sony, among others.

This versatile software boasts an extensive list of features, such as netplay for multiplayer gaming, soft patching for quick updates, RetroAchievements for added challenges, save states for progress tracking, MFi controller support for iOS devices, key remapping options, gyro control, cheat support, custom overlays, shaders for visual enhancements, fast forward and rewind capabilities, game artwork display, AI translations, and advanced latency management.