BepInEx (BepInEx Team / community)

BepInEx is an open-source, community-driven modding and plugin framework primarily used for Unity and .NET-based games. It provides a general-purpose plugin loader, patching support, configuration management, and a lightweight console/GUI (examples include binaries such as bepinex_gui.exe) to help load and manage runtime mods. The framework is designed to work across multiple runtime environments (Mono/.NET and, with additional tooling, IL2CPP), and is commonly used together with method-patching libraries like Harmony and many community-made extensions.

The project is developed and maintained collaboratively on GitHub by contributors from the modding community. It serves as a foundation for hundreds of game-specific mods and modpacks, and its ecosystem includes plugins, compatibility layers, and community tools. Development, issue tracking, releases, and documentation are primarily hosted in the BepInEx GitHub organization and accompanying documentation site, with community support fr...