Slimefun 5 is a community-maintained continuation of the original Slimefun4 plugin, which was discontinued by its original developers. This fork continues active development with support for modern Minecraft versions (1.16–1.21+).

Slimefun turns your Spigot or Paper server into a modpack-like experience without players needing to install a single client mod. It adds over 500 new items and recipes spanning two major progression trees: Magic and Technology.

Feature Highlights

Technology

• Full electric power grid, generators, capacitors, machines, and energy networks
• Automated cargo & item transport systems
• Programmable Androids that mine, farm, and build for you
• Auto Crafters for both vanilla and Slimefun recipes
• Nuclear reactors, solar generators, and more

Magic

• Ancient Altars for magical crafting rituals
• Magical staves, talismans, and enchanted armor
• Soulbound items that persist through death
• Magical gadgets and utilities

World & Exploration

• GEO resource scanning and mining, discover oil, salt, and more underground
• GPS network & waypoint system with personal teleporter pads
• Backpacks of various sizes to expand your inventory
• Multitool, Tape Measure, and other useful gadgets

Quality of Life

• Full in-game guide book - browse all items, recipes, and categories
• Extensive research & progression system
• Fully translatable, 40+ community languages via Crowdin
• Rich addon ecosystem with dozens of community addons to expand functionality

Requirements

• Papern or Spigot
• Minecraft Version 1.16.x - 1.21.x
• Java Version Java 21 or higher

Supported Integrations

• PlaceholderAPI
• WorldEdit
• mcMMO
• ClearLag
• ItemsAdder
• Orebfuscator
• Addons

Slimefun has a thriving addon ecosystem. Check out the Addons Wiki Page (https://github.com/Slimefun5/Slimefun5/wiki/Addons) for a list of community addons, or create your own using the Developer Guide (https://github.com/Slimefun5/Slimefun5/wiki/Developer-Guide).