Minecraft Java 1.21 Mods
Browse 1,912 free mods for Minecraft Java 1.21 — popular picks include LibrarianEnchantmentLimiter, Lag Squared, TimSpik Basics.
Updated daily
LibrarianEnchantmentLimiter
This plugin replaces librarian enchanted book trades with level 1 books that cost a random amount of a configurable item plus 1 book.
Lag Squared
Prevents various lag machines without messing up game mechanics
TimSpik Basics
Modpack that enhances the Vanilla graphical experience without altering the core mechanics.
Kaidon Essentials
A structured essentials plugin built for performance. Core systems with Vault and PlaceholderAPI dependencies, focused on flexibility and integration.
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
Smart Compass & Clock
Show coordinates with compass and time with clock. supports minecraft version 1.21x
HandyMaths
This "plugin" is aimed to add mathematics in-game, so you don't have to open up the calculator every time you want to resolve an operation!
Copper Handles
Adds copper handles that make your tools stronger and faster to repair!
Lemony's Survival modpack
This is the Lemony Minecraft server modpack, adding performance, visuals, and new mechanics. It can also be used outside the server.
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
Minecraft unOfficial Recipe Experiments
Minecraft's unOfficial experimental extra recipes data pack.
GenSprout
Optimized generator & farming plugin with custom block gens, crop region harvesting, Vault economy, prestige, hoe enchants & Paper Dialog UIs.
VortexGens
High-performance generator plugin for modern Minecraft servers. Players place, upgrade, and stack custom generators to build efficient resource farms, with rank-based limits, GUI upgrades, holograms, and a full developer API.
Autosmelt_dp
Automatic smelting of all available ores
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。
Amai's Let Me Sleep - Sleeping Mode Plugin
Plugin that adds Sleeping mode (hibernate) to server
PrtProtect
Control what players can craft, interact with, and use.
DragonRespawn
A simple datapack that respawns the Ender Dragon and End Crystals after its killed.
Viper Anti-Dupe
Viper Anti-Dupe is a high-performance, Server-Side ONLY configurable anti-duplication mod for Minecraft. Blocks 25+ known dupe methods with zero client mods required. Fully configurable per-method — choose what to block and what to allow. 🔒✨
LithiumCarbonLoot
Like ArenaBreakout, tarkov, delta force game,provide searchable treasure loot chests, keyroom.
Vanilla Origin
Vanilla Origin 1.21.1 is a lightweight mod focused on preserving the core Minecraft experience. It does not introduce RPG systems, magic mechanics, or large gameplay overhauls.
JS Runner
The plugin aims to add the ability to run JavaScript files in a Minecraft server.
EligiusHiddenArmor
The ultimate, highly-optimized armor hider plugin for Bukkit, Spigot, Paper, Purpur, and Folia.
CherryTeleport
Cherry Teleport Plugin even there is other teleport plugin it will overrides it
Extender
Minecraft Command length Extender & Minecraft Custom Function Runner.
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.
TrashTweaks
A client-side utility mod with totem cursor assist, FPS/TPS/Ping/Coordinates HUD overlays, player health indicator, performance profiles, and a fully customizable HUD editor. Does not automate gameplay.
TheClearLag
A Minecraft Paper 1.21 plugin called TheClearLag, designed to reduce lag by automatically and manually cleaning objects on the ground.
Final Destination HUD
It adds a kill tracker for final destination armor in hypixel skyblock, visible on the HUD
TSM-server-changer 2.0
TSM-server-changer 2.0是一款基於 Fabric 的 Minecraft 客戶端 Mod， 用於在TSM(台灣學生麥塊)更方便的切換伺服器。
Ponder lib
give datapacks the abbility to add ponder pages (like in create mod) to items with the new dialogs in 1.21.6
PolyGuard
The Next Generation of Protection is Here! PolyGuard is a high-performance, premium protection plugin!
WorlPreGen
Advanced multi-world chunk pre-generator with GUI and live tracking