Minecraft Java 1.21 Mods
Browse 1,912 free mods for Minecraft Java 1.21 — popular picks include Aeternum Seasons, Dong Dong's random creation, Nearby Inventory Crafting.
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Aeternum Seasons
A dynamic and realistic station system for Minecraft Survival. Eng & Esp | Plug & Play
Dong Dong's random creation
magic and energy,new ore,new dimension,new tool and weapon type.
Nearby Inventory Crafting
Craft using items from nearby chest's without moving them
Vanilla Reimagined by Jashan_Maan
Vanilla Reimagined is a Minecraft modpack that keeps the original feel of the game while adding small, meaningful improvements. It focuses on enhancing visuals, gameplay mechanics, and quality of life without changing the core experience too much.
AntiRedstoneLag
prevents lag machine in server
mercuryium
该模组使得MC渲染可以使用更多的线程,提高游戏最低帧,减少卡顿 This mod allows MC rendering to use more threads, improving low FPS in the game and reducing lag 本mod由AI编写,mod by AI
PlayerVaultZ
Advanced player vault plugin with pagination system
KeyALLX
A simple keyall plugin for all owners

PerWorlds
A plugin that allows you to store player data per world
AsAntiSpam
Advanced anti-spam protection for Paper servers featuring Smart Detection, ShadowMute, Auto-Learn Patterns, Progressive Punishments, Discord Webhooks, and Per-World Rules.
Dimension tracker + Afk display
Allows you to track in which dimension a player is tabbed, and find out if they are afk.
Ultimate Essentials +
All-in-one PvP & clarity resource pack: visible invisibility, no darkness, smooth fonts, 3D mace, and lightweight performance optimizations

SomeNoHurtCam
A Minecraft mod that disables screen shaking when taking damage.
Attack indicator
Customizable floating damage indicators for Paper servers. Clearly display damage dealt to mobs with stylish placeholders!
FF´s Essencials
light modded experience for builder and explorer! Optimized FPS rates and new mechanics for everyone.
VeinMine
A simple user friendly vein miner plugin.
OptiPlus-Crystal
Removes the round-trip wait between clicking obsidian and seeing an end crystal appear.
TFMG: Some bugs fixes
this mod just fixes a few bugs from TFMG
EzAuction
Menu-first marketplace with listings, buy orders, and async safety nets
MCOptimiser
The all I one server optimiser!
PooperMC
The all-in-one solution for any server. Message Logging, Mention, Chat Color, Description / MotD, Muting, Reporting, Staff-Chat, Friends, Parties, Vein-Mining, Whitelist, Better-AI, AFK, Menu Commands, Global Ender Chest, Death-Banning, Anvil-Cap and more!

Project AZOTH Cobblemon Modpack
Project AZOTH is back and better than ever. Explore a fresh take on the Pokémon experience in Minecraft with seamless open-world mechanics, community-driven events, and an immersive survival adventure.
Cobblemon TP-Pastures (No despawn for Pasture Block's)
Cobblemon Pasture Recall/Teleport Change
Vulkanized Pojav
🚀 Experience Minecraft through Vulkan on Android. Vulkanized Pojav delivers a lightweight, performance-focused setup with optimized libraries, improved rendering efficiency, and maximum compatibility for PojavLauncher users.
Sepd DonutSpawn
A Replica Of DonutSMP Spawn Plugin
Fiw AntiCheat
Verification and enforcement tools for Minecraft server administrators. Secure your server with powerful anti-cheat utilities and minimal additional mod dependencies.
Villager Job Tools
Client-only. Reroll any villager's trades (break/place their job site block) until wanted offers appear. Trades Finder, Auto Buy, Auto Sell. Keybinds: K = menu, R = start/stop.
Connection Guard
Connection Guard is the best free Anti VPN and Geo Blocker.
Mildly Fast Leaf Decay
Mildly Fast Leaf Decay accelerates the natural leaf decay process to clear forests quickly while maintaining a satisfying cascading visual effect. It is optimized for Fabric to help reduce server lag and keep your world clean without feeling instant
Smart Sorter
Lightweight Auto-Sorter and Storage Network for 500+ chests. Features automated smelting, XP collection, and smart routing for Fabric 1.21.1+.
Global Emeralds
Unlocks Emerald Ore to spawn in all biomes.

Harvest Simplified
Auto Harvest and Auto Pickup: With Harvest Simplified, you can use your farm more efficiently and no longer need to collect items and replant crops! Customizable for all available crops.
particle engine killer
Kills particles at the source unlike other mods for no lag. Vulkan and Sodium compatible. Say goodbye to particles forever vulkanmod renderer pvpers enjoy the extra fps
StackMob Fabric
A mod that allows players to stack massive amounts of mobs into a single entity.
DeadChest
A polished death chest plugin with timed loot phases, rich customization, and in-game admin controls.
Redstone Additions
Best redstone&tech datapack, Super optimized, 55+ blocks (Block breaker, block placer, filters, conveyors, item pipes, breeder, generators, gates, chunk loader, wireless redstone, multiblocks, jetpacks and so much more ! )