The EMC Framework (Easy Minecraft Client) - An easy to use Minecraft modding framework
An advanced cross-version compatible Minecraft modding framework, supporting Minecraft versions 1.8.9 through 1.18.2.
Check out the EMC Development Kit You can find documentation at the EMC website
The EMC framework is compliant with the Minecraft EULA, it does not distribute any Minecraft source code in it's installer. Any mods you make using this framework will be compliant with the Minecraft EULA as your mod will not contain ANY Minecraft source code, only EMC wrapper calls.
EMC is licensed under MIT