Minecraft Java 1.21 Mods
Browse 2,492 free mods for Minecraft Java 1.21 — popular picks include ZenCraft, Engineer and Explore, AmazingAuctions.
Updated daily

ZenCraft
Focus Mode enhances your Minecraft experience by filtering entities (animals, items, players) and simplifying the HUD for a distraction-free building session, with an optional Pomodoro timer to manage your playtime.
Engineer and Explore
Engineer a moving base with Create Aeronautics and explore the worlds!
AmazingAuctions
AmazingAuction is a Paper 1.21.11 auction house plugin with Vault economy and a full in-game GUI for buying and selling items. It supports configurable listing limits, fast buy/sell, and SQLite or MySQL storage.
Rift Anchoring
A Chunk Loader Mod Keep your chunks loaded — upgrade a Respawn Anchor with an obsidian base to maintain a 5x5 chunk area
W74's Miscellaneous Building Blocks
This mod adds random blocks and sets of blocks I find useful in decorating.
TS3-Bridge
A Plugin building a bridge between Minecraft and Teamspeak
Intelligento inc's Modpack base
A base modpack to be used by modpack creators
Smart Spawns
Respawning at world spawn sucks when your base is far. Smart Spawns lets you set your own, forever.
More Bounce
This mod adds many new bouncy balls to minecraft for example the house ball spawns a ball wherever it lands its a fun goofy mod that you can add to your sever for more fun. This mod is to help minecraft on expanding there balls for not just having snowbal
The Junction - EXIT 2
A creative tech modpack built around Create for building, automation, railways, storage, and fun with friends.
Structure Moss
A mod to add some utility blocks to help with building/filling spaces.
BaseWars
A Minecraft plugin that allows players to build and defend custom bases with hoppers as core structures. Features include territory protection, base upgrades, health systems, and interactive management cards.
OriiMon
A Cobblemon-focused modpack built for exploration, building, and quality-of-life. Discover new biomes, caves, villages, and structures while catching and training Cobblemon. Includes backpacks, minimaps, storage, furniture, and performance mods.
OGAuction
A modern and highly configurable Auction House plugin for Minecraft 1.21+
Diamond Gear+
Expand your world with this mod! It adds an upgraded "X" tier diamond armor set, a powerful Diamond Sword X, and a brand-new Diamond Shield. Explore the world to find a massive, rare Castle spawning in the Plains, and trade your emeralds with villagers to
ModSuite
Comprehensive moderation plugin for Paper/Spigot servers with multilingual support, Discord webhook alerts, database integration, and customizable permissions.
Sofi&Rafa Land
A modpack mainly focused in building/decoration and cobblemon
Immersed craft
A Minecraft base modpack focused on improved atmosphere, exploration, and gameplay while staying lightweight and easy to expand. Designed to serve as a solid foundation for adding more mods and customizing the experience however you want.
Spawn Distance
Tiny HUD with 3D distance and a directional arrow back to your world spawn — handy when you wander far from base and want a quick way home.
Glazgo's Backrooms Texture Pack
this mod changes the textures of the bamboo wood set to backroom building blocks (and sea lanterns for lights)
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.
FragmentVersion
FragmentVersion is an alternative development branch for Minecraft. Rebuilding the game piece by piece, perfecting vanilla mechanics and introducing entirely new, unique content.
Ruby Horizon Lib
Base lib for Ruby Horizon plugins
FalconAuction | Very Simple | Fully customisable
auction house plugin
AuctionX
A modern, fully customizable auction house plugin with per-rank limits, MySQL/SQLite storage, PlaceholderAPI & Discord integration, and a fully editable English messages.yml.
material_plannner
Material Planner is a survival-oriented building support mod that helps you calculate and manage the materials needed for construction.
Unbentrock's simple structures
This mod adds a couple of structures including a nice starter house and a forest look out tower
WorldGit
A Minecraft plugin for world building cooperation with git-like control.
Simple Recipe Enchanted Golden Apple
A simple datapack recipe for an Enchanted Golden Apple works by adding a custom crafting recipe to the game without modifying the base files.
Tenshi's Plushies | Overwatch - Mercy
Angel at your shoulder! ✨ Decorate your base with 1 plushie directly from the world of Blizzard's hit game, Overwatch.
Laputa Golems
Reskins and remodels the iron golems into the golems seen in the "Castle in the sky" film.
ozAuctions
A modern, premium, cross-version Auction House plugin built for performance, customization, and scalability.

Structure Lift
Admin-only tool for server operators to select, lift, and relocate entire buildings — including chests, signs, and all block data.
Quiet Zombie Nautilus
Turns off the Ambient Zombie Nautilus sounds on land for easier building.
Precast Structure
Add a mechanic to automate repetitive building projects.
BetterSlabPlacement
Allows placing full blocks on top of bottom slabs, greatly improves building flexibility. Requires Fabric API.