BepInEx 

A general non-destructive patch library for .NET and Mono modules

MSBuild integration for BepInEx.AssemblyPublicizer

Common API for Il2CppInterop packages

Runtime tools for bridging .NET and Il2Cpp together

Library for generating assemblies and metadata for calling Il2Cpp functions from .NET

Module to allow using Harmony with Il2CppInterop assemblies

Implements common Mono TLS providers for modding Unity games which use Il2Cpp runtime. This allows to use HTTPS the same way you'd do it in a normal Unity game using Mono runtime.

CLI tool for generating managed proxy assemblies for Il2Cpp

Yet another assembly publicizer/stripper

CLI tool for BepInEx.AssemblyPublicizer