ModLoader was the first Minecraft fan made/unofficial modloader created before Forge. FML is, in fact, a cleanroom rewrite of ModLoader, meaning mods from Risugami's modloader were compatible alongside Forge.
ModLoader was the first Minecraft fan made/unofficial modloader created before Forge. FML is, in fact, a cleanroom rewrite of ModLoader, meaning mods from Risugami's modloader were compatible alongside Forge.