Minecraft Java 1.21 Mods
Browse 126,992 free mods for Minecraft Java 1.21 — popular picks include RTPQUEUE SYSTEM, weathered copper tools, Choose PVP Plugin.
Step by step: How to install Minecraft Java mods & modpacks
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RTPQUEUE SYSTEM
The best rtpqueue script
weathered copper tools
resource pack that make the copper tools armor and horse armor look like weathered copper
Choose PVP Plugin
A customizable Paper plugin for choosing PVE or PVP mode with GUI, permissions, effects, sounds, and PlaceholderAPI support.
JokeCommands
This plugin adds commands crash, free donate, op as a joke
Velaboard
VelaBoard is a flexible Minecraft Scoreboard API designed for Spigot plugin developers. It removes the complexity of working directly with Bukkit’s low-level scoreboard API.
EggSpawn Scrambled
This makes it possible to acquire Mob Spawners and Spawn Eggs in Survival Minecraft.
Sculktech
Adding Sculk Machinery And Lethal Blocks!
Recolor Equipment & Stuffs
Some stuff match their gem colors with this pack
Fleet Player Shops — Player-Driven Trading
Player-Driven Shops with Fast, Reliable Buying and Selling.
Random Stuff (W.I.P)
this mod adds a lot of random stuff
Data Guard
It's a PaperMC plugin that automatically saves player and server data so nothing gets lost or rolled back unexpectedly. It snapshots everything — inventory, armor, ender chest, XP, health, food, potions, and location.
mrower's Hammer
hammer to quickly chop down those trees
ServerCreators - Motyka/Hoe [GENCASH]
gencash motyka
Dragonfish's Scroll Racks
Changes the texture of bookshelves and chiseled bookshelves to make them look like scroll racks.
Yarndin Is Here
A mod that adds a species of yarn creatures to Minecraft.
Fixed Minecraft
This pack fixed some textures.
EasyRadio
Minimalistik Radio Plugin, that have, waves, speak support, and more!

Black & White Powdered Concrete and Concrete Patterns
Colored Concrete & Concrete Powders are changed to various tiling black and white patterns.
VoidHeads
VoidHeads | A high-performance player head collection and location tracking system.
McSimpleCycle
Recycle unwanted metal objects to reclaim precious resources
AsProfiles
Animated kill card & player profile GUI system for PvP servers
AstraAc
AstraAC is a configurable, lightweight anti-cheat for Minecraft 1.21, offering effective heuristic-based detection. It is optimized for performance on both Paper and Folia servers.
PvP Skill System
⚔️ PvP Skill system — Fighter, Defender, Hunter

SNC BetterClock
The clock in Minecraft is pretty useless. I mean, just look up? but now its digital, and shows how long until its day/night! so much more useful! its that simple really :3

Spill N' Drop
Spill your inventory on impact! Items scatter when you fall, get rammed by a goat, or caught in a sonic boom. Configurable drop chances, water spills, potion smashing and more.
SyMessage
A system mailbox plugin for Minecraft Purpur/Paper 1.21+
QSMenu
potente motor de interfaces (GUI) para miencraft java y bedrock
SuperUltraMegaCraft
A fairly simple mod adding several new unique features.
Combat Limiter
Disable mace weakness and set stregh level to limt combat
PulseMsg
Send custom scheduled messages in chat
WorldGit
A Minecraft plugin for world building cooperation with git-like control.
Minecart Filter
Powerful Minecraft Minecart Filter to Block Server lag through Minecrafts, by Limiting how Many can Exist on a Rail Network or within a Chunk.
sitting buddha totem
resource pack that make the totem of undying look like sitting buddha statue
A little more logic
Tired of carrying sugar in your palms? Has Blaze Powder burned your hands again? We offer a solution! Now you can put the powder/sugar in a bag for convenience! And the Blaze Powder will be stored in a fireproof bowl!
syndred
Brings Magic and Technology in a harmonious way.
Redcraft-AFKLobby
AFKLobby automatically moves inactive players to a dedicated AFK area after five minutes of no movement, storing their previous location in a JSON file.