Minecraft Java 1.21 Mods
Browse 745 free mods for Minecraft Java 1.21 — popular picks include DemonFPS, Blue sprint, UniversalMobFoundry.
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DemonFPS
A lightweight PvP and FPS optimization modpack for smooth, fast, and competitive Minecraft gameplay.
Blue sprint
This time I present you a great resource pack which focuses on competitive enhancements like clean hit feedback, shorter swords, and optimized textures, all tuned to maximize visual clarity while maintaining a consistently smooth, lag-free framerate.
UniversalMobFoundry
New generation of generators! You can buy monsters, simulate their loot, and upgrade the generator.
Simply Horse Roads
It's a simple and optimized plugin that boost the horse speed on certain road-blocks with the opition to add player boost aswell.
Attributes UI
Adds a configurable attributes table to the player inventory, with custom attribute support, display transforms, separators, and an in-inventory toggle.
TemporaryCastration
Limit lags caused by massive farms !
No Duping
Various toggles for disabling dupes (rails; carpets; tnt; gravity blocks; tripwire hooks).
Survival Spawn Eggs
This project adds Spawn Eggs to Minecraft Survival Mode!
SquidGameZ
SquidGameZ is an automated 1.8-1.21.11 6-game Spigot tournament plugin with Vault rewards, spectator mode, and a dynamic lobby!
EnColaMobs
EnColaMobs - Optimize your server to the max! ⚡ Say goodbye to lag caused by uncontrolled mobs.
AntiMonster Zones
This plugin allows you to remove specific mobs using a flexible whitelist/blacklist zone system. It works across all three dimensions and lets you define highly customizable zones to precisely protect areas like spawns from mobs/monsters.
Vanilla Create
The collection includes a wide variety of mods that add new biomes, structures, and mobs. The core mod is Create, along with a large number of add-ons.
Call Your Friends│呼朋引伴
Use your goat horns to call your animal friends.│使用山羊角來呼喚你的動物朋友。
Chunk Ticker
Keeps selected chunks permanently loaded and fully ticking
CorePerformanceFix x SortSmart
A high-performance optimization plugin focusing on entity-ticking efficiency and automated item-stacking and you can use SortSmart
Ananke WorldControl
The ultimate, lightweight tool for granular control over Minecraft physics, player stats, mob griefing, and crafting. Block anything, anywhere.
No Nether RoofSpawns
A lightweight Fabric mod that intelligently controls mob spawning on the Nether roof
Bazaar Villager
A customizable Bazaar Villager that sells stored items at player-defined prices, supports overpaying with emerald tiers, gives optimized change, auto-fills payment, adds an Emerald Core Block, and features owner and buyer trading menus.
Nautilus Drops│鸚鵡螺掉落物
Nautilus will drop items when killed in any way.│鸚鵡螺無論以何種方式被擊殺都會掉落物品。
DragonRespawn
A simple datapack that respawns the Ender Dragon and End Crystals after its killed.
InstantSimCleanup
InstantSimCleanup is a forced server optimization plugin that reduces lag by aggressively clearing inactive zones. Instead of relying on a standard timer, it uses a chunk distance control mechanic to remove everything in areas where there are no players.
Gear Grinder
A Create-Aeronautics focused survival pack with extra hard difficulty. Tougher mobs, smarter AI, no waystones, no TPA, items drop on death.
vMaiOpt
Advanced adaptive mob AI optimizer that dynamically reduces entity lag based on server TPS while maintaining smooth gameplay.
Farm Friendly Mob Stacking
This datapack optimizes the server by stacking mobs without penalizing players! Farms will have less mobs, but the reward will be similar or better.
twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity
Piece
Piece is a high-performance Minecraft 1.21 RPG combat plugin that transforms your server into a competitive MMO-style PvP experience. It introduces deep progression systems, , bounty hunting, stamina-based combat,
VillagerProtect
Simple mod for protect Villagers
Bedwars 64x64
[Bedwars 64x64] is a high-performance 64x64 resource pack engineered specifically for competitive BedWars, SkyWars, and fast-paced PvP. Operating at a native 64x64 resolution, it delivers a high-definition aesthetic while maintaining maximum FPS stability.
Villera
Turn villages into living economy hubs with biome-adaptive banks and markets, secure currency, rentable chunk claims and performance-friendly stacked spawners
Wither Skeleton no Stone Sword drop
Prevents Wither Skeletons to drop Stone Swords on death
QoM+
This modpack adds quality to Minecraft! Don't forget to add us to your Essentials friend list: selimefe44, TheEmoBot
Cristalxal
Taiga update mod, which also adds new structures and weapons
MysticalVillager
MysticalVillager is a comprehensive villager management plugin for Paper servers. It tracks every cure, kill, and breed on your server while providing anti-abuse protection, configurable rewards, and a real-time web dashboard that requires no login.
FurniCraft Optimized
An aesthetic Vanilla+ building modpack featuring the complete Macaw's suite with zero custom biomes. Built on a highly optimized performance stack for flawless, high-FPS gameplay even on lower-end hardware and mobile launchers.
Miller's MCCI Modpack
My personal Modpack that I use primarily for MCCI, as well as other PvP/competitive servers.
MobAIReasonDisabler
With this plugin you can disable certain mobs AI , based on the reason they spawned