Minecraft Java 1.21 Mods
Browse 52 free mods for Minecraft Java 1.21 — popular picks include XMyIsland, CorruptionCraft, Moldyfishy's Many Additions.
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XMyIsland
A comprehensive island management plugin that brings robust protection, intuitive GUI management, and economy integration to your Minecraft server.
CorruptionCraft
A plugin that challenges players. Random events can occur. (no Spoilers!)
Moldyfishy's Many Additions
The mod revolves around the Reimagined Dimension (Overworld but enhanced) and the Underworld (The Reimagined but darker and creepier)

the pretor
a mod that adds a new dimension called the pretor. and a lot more. created by:crunku/pjam64,zant and mcreator

Sweetymod
A sweet mod that adds a new candy-themed dimension, complete with new blocks, items, and a biome to explore.
Materia-Reborn
A progression-focused Minecraft transmutation mod inspired by ProjectE, featuring Essence, upgradeable tables, rituals, storage, and smelting systems.

The Pandoras Box
Pandoras Box adds a mysterious block that periodically generates random items from every installed mod. + New dimension
Glitch Mob
This adds a Glitch mob, Glitch tools, and Glitch ore!
twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity
Ghost Garden
Ghost Garden is an atmospheric mod featuring loot-filled graveyards guarded by Skull Kin. Defeat the Royal Ghost to forge powerful phasing gear, stat-boosting crowns, and shield-shattering blades.
Unbound Adventures Into the Unknown
Unbound Adventures: Into the Unknown blends exploration, tech, magic, and space travel. Build with Create, cast spells with Ars Nouveau, and manage your loot with powerful storage mods.
GeyserCon
Modifies the Endercon datapack to stay within the Vanilla height limit.
Owl's Pocket Dimension
Enjoy a Pocket Dimension where you can build in peace! Survival and multiplayer friendly
Stream City
Unlock endless possibilities with FTB Suite, Applied Energistics 2, Ender IO, ComputerCraft , Mining Gadgets, Iron Furnaces, Jetpacks, Storage Drawers, Sophisticated Storage, and Mystical Agriculture. Elevate your Minecraft world today!
Kingdoms Reborn
200+ Mods + Resource Packs! Minecolonies, RPG Classes, L_Ender's Cataclysm, Bosses'Rise, Refined Storage, Ars Nouveau, and Create all in one!
GG Minecolonies with Tech
This modpack enhances the standard Minecolonies mod with Create, Refined Storage, Magic and other QoL mods.