Minecraft Java 1.21 Mods
Browse 8 free mods for Minecraft Java 1.21 — popular picks include ProjectE Rebalanced -Adjustment-, Grimm's Mod, Velorise EMC.
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ProjectE Rebalanced -Adjustment-
Rebalances ProjectE transmutation progression and overpowered items.

Grimm's Mod
Everything you could want! Leveling, features of old mods, economy, technology, custom items, blocks, commands, transmutation of items and even more!
Velorise EMC
A progression-focused EMC mod with transmutation, world tiers, alchemical machines, custom equipment, boss arenas, and endgame challenges.
corpseorigin
Corpse Origin is a Minecraft mod inspired by the web comic "Shen Xiong" (尸兄)/Zombie Brother, designed for Neoforge 1.21.1, introducing a core system of infection, mutation, and evolution.
Materia-Reborn
A progression-focused Minecraft transmutation mod inspired by ProjectE, featuring Essence, upgradeable tables, rituals, storage, and smelting systems.
mutationcraft-plus
Adds 24 random world mutations that completely change Minecraft every 5 minutes, making every survival adventure unique.
Player Mutations
A behavioral evolution system that mutates players based on their playstyle. Every cycle (default 3 days), the plugin analyzes player behavior and triggers mutations that fundamentally change how they play.
Libri Mutationis
The Books of Changers, its in latin