Version 1.6_noMap - Recommended
Website: https://files.minecraftforge.net/
Pre 1.16.5 versions are based on: https://www.curseforge.com/minecraft/mc-mods/ftblib
Website: https://optifine.net/
Website: https://simonmicro.de
Contains a preconfigured servers.dat file for a specific modpack server address...