Minecraft Java 1.21 Mods
Browse 1,106 free mods for Minecraft Java 1.21 — popular picks include FastArena, MagicFactory, SkyfunUtils.
Updated daily
FastArena
FastArena provides fast, lag-free, and fully automated arena resets
MagicFactory
Mod adding a new liminal space
SkyfunUtils
An Ex Nihilo-inspired Slimefun addon that bridges the gap in finite world genre like Skyblock with custom sieving, hammering, and resource generation mechanics.
WardRegion
Region protection plugin for Minecraft 1.21 with wand-based selection, GUI management, whitelist access, flexible flags, particle previews, and MySQL storage.
Helldivers | For Super Earth
A mod adding content from the game Helldivers.
javaTNT
javaTNT – Realistic TNT explosions with craters, just like vanilla Java, optimized for Paper servers.
Modded Chaos by did 5
Modded Chaos By Did 5 is the fifth and most refined version of a long‑running personal modpack series, combining advanced Create automation, industrial tech, immersive building, and exploration tools into one cohesive experience.
WXJK's Simple Pocket Dimensions
This project adds 3 tiers of pocket dimensions that you can craft and enter. each player will have their own if they craft it.
G.F.Y (Good for you)
A custom lightweight modpack focused on technology magic and exploration
CreaMon
A Minecraft modpack focused on Create automation, Cobblemon adventures, exploration, creature catching, and quality-of-life improvements.
MCGun
Add Some Fun About Guns!You Can Craft Them!
Alienated
Adds a whole new planet to explore!
HollowScanner
HollowScanner is a Minecraft 1.21.4 Bukkit plugin that adds a handheld scanner item to help players detect nearby caves and dungeons underground by providing vibration feedback via sounds and particles.
UraniumContaminationEra-II
Tech & RPG fusion mod: climb the tech tree from metals to reactors, grow your stats through action, and let exploration drive your power.
Damage = new dimension
Makes it so that every time you take damage your dimension randomly changes (End, Overworld, Nether)
TitanFall SMP
TitanFall SMP is an optimized multiplayer modpack centered on expansive world exploration, seamless performance, and advanced automation powered by the Create mod ecosystem.
ElraRTP
Community-maintained fork of the RTP plugin with support for Minecraft 1.21+
Shwarma Adventures
An adventure-focused Minecraft modpack featuring exploration, bosses, dungeons, enhanced world generation, and a balanced progression system.
Crescent Forge & Flight
A Create-powered industrial adventure featuring automation, railways, airships, and exploration.
Secret's of the Stone
This story is yours to uncover in the stone, explore a new dimensions, craft new help, and reveal what lies in secret. (Exploratory dungeonlike + story)
Big Globe - Immersive Engeneering
Datapack adding Immersive Engeneering ores
Create: Railbound & Skies
A Create modpack about trains, automation, aviation, exploration and building complex mechanical systems.
Super Little Create Modpack (SLCM)
Dive into an immersive Minecraft adventure focused on engineering, exploration, and creativity.
Compat Recipe Master
My custom alternative compat recipe bundles. Icon is inspired from Satisfactory.
Parent
A mod where you go through layers of dimensions to fight your father
CustomDrops Pro
A plugin that lets you edit the rewards received from monsters. Supports IA IE IT MM and can be easily edited.
The Upper
My Minecraft mod adds a completely new dimension to the game.
Plasmaware
A science fiction mod that adds plasma tech and a new dimension waiting to be explored
Phase Gates
Phase Gates allow simple movement across and between dimensions. A little bit of magic and science!
Ghost RTP
A lightweight RTP plugin which allows the user to teleport to a random location in all 3 dimensions.
Uncharted Paths
A modpack that tries to match the feel of vanilla minecraft while allowing exploration in whatever direction you desire.
Relocation
A simple building relocation plugin
FrontierX
Expand the world border by completing advancements. Start in a tiny world and unlock more land as your players progress.

HardcoreAutoReset
An automated Hardcore reset plugin for your server. Features an active live timer, Top 5 best times scoreboard, and dynamic MOTDs.

Buildmc-SeedGuard
A plugin that obfuscates the world gen, to protect servers from players using seed crackers.
4E Client Mod (1.21.11, 1.21.1) – ChunkFinder, Base Finding for DonutSMP
4E Client Mod is a multifunction Minecraft ghost / utility client designed mainly for DonutSMP and Anarchy Servers. It provides a large collection of combat, exploration, automation, and render modules, allowing players to gain full control over combat, base hunting, movement, and visual assistance. Features: DonutSMP Tools Chunk Finder – Find loaded and special chunks […]