Slimefun 4.0-UNOFFICIAL is an updated fork of the original Slimefun4 plugin, maintained by R2Ksanu. It turns your Minecraft server into a modpack-like experience — without installing any mods.
This fork updates the original project from 1.19.4 to Minecraft 1.21.11, with full compatibility for modern Purpur and Paper servers running Java 21.
Features:
500+ custom items including machines, magic, and automation
Advanced technology and electricity systems
Magical crafting and altar systems
Improved startup stability and module handling
Optimized runtime performance for modern servers
⚠️ This is an unofficial fork and is not affiliated with the original Slimefun team. Always test on a backup server before production use. Licensed under GNU GPLv3.