Minecraft Java 1.21 Mods
Browse 3,587 free mods for Minecraft Java 1.21 — popular picks include FlowerRealmsAutoPrestige, P_TopJogadores, PannHarvestEngine.
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FlowerRealmsAutoPrestige
AutoPrestige yea R for manual rebirth you need to be on fabric version 1.21.11 and fabric api is needed
P_TopJogadores
Top Players via placeholders, NPC support, and holograms.
PannHarvestEngine
PannHarvestEngine is a high-performance, modular resource gathering framework for Minecraft. It replaces vanilla mining and interaction mechanics with a versatile HP-based harvesting system suitable for ores, timber, and custom agriculture.

KeyBlocker
KeyBlocker lets you choose specific keyboard keys to disable while playing Minecraft. Configure it through Mod Menu, search the full key list, and toggle keys between allowed and disabled without affecting chat or other menus.
flok
Flok is a fast, lightweight scripting plugin for Paper/Spigot servers. You write plain .fk files; no Java, no compile step, no restarts for most changes. Drop a script in, run /flok reload, and it's live.
HardObtainment
This project adds hard more balanced crafting recipes to Minecraft. So far here is the crafting recipes we have changed: Mace
ModPacks (Library)
This mod adds Resourcepack/Datapack style mods.
Type Control
Control your data types in minecraft!
Ruby Horizon Lib
Base lib for Ruby Horizon plugins
ServerBenchmarkPro
Advanced Minecraft server benchmark plugin with Antutu-style scoring, CPU throttling test, and live ActionBar performance analysis.
HardcorePlusMod
The mod will add a lot of changes to the game that will make the game more challenging.
Number Converter
Make long numbers and scores readable.
Nirvana Datapack
A datapack that is required for the Nirvana Music resource pack.
PolaRadio
Turn your server into a 24/7 radio station. PolaRadio streams .nbs note block songs to everyone online on a looping playlist — with per-player mute, personal volume, an in-game song-picker GUI, and full DJ controls.
Large Structure Lib
Library for large structures, including enormous jigsaw structures.

Vibey's Entity Lib
particle and projectile library
RatsCurrencies
A Simple Custom Currency Plugin Which Adds A Shop And A Currency Distribution System For Your Server. This Also Helps To Save The Memory And CPU Usage Which Are Overused In Another Currency Plugin. This Has Very User Friendly Interface [1.18+]
Mob Brain Additions
This API can be used by other mods to give additional functionality to mobs that use the brain system.
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.
The Scoocher! Compatibility mod
Now you can scooch all* your favorite modded blocks!
Rubric
Multi-loader Minecraft mod configuration library.
TextAPI
TextAPI is a Kotlin-native Spigot text engine with a MiniMessage-like syntax, built-in placeholders, gradients, rainbow, 16 pride presets, click/hover/insert events, and a custom TPS ticker. All fully extensible at runtime via a clean handler-based API.
DataLens
Real-time data inspector for Minecraft
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.
last hit saver
When death is certain… will you run, or will you fight?
Version Lib
VersionLib is a datapack that can detect which version of the game the player is on.
Analyse
Server analytics plugin to track player behavior and acquisition sources.
ProgressionBoarder
Powerful zone/border control—restrict, protect, and guide players with clear rules and feedback.
MCS06 Texture pack
A dependency texture pack for the MC06 plugin
Recipe Extensions
Adds recipes for items that normally can’t be crafted
Yet Another Mod Library
A library mod with shared code for my projects
HoggieLibrary
Core library powering all Hoggie mods for Fabric.

Useful Tags
This Datapack adds plenty of new tags
NxControl
NxControl is an advanced staff plugin that lets OP players control players or mobs using simple keybinds, with GUI, bossbars, and freeze system built-in. It’s lightweight, powerful, and perfect for moderation, trolling, or cinematic gameplay.
Bigorna
A plugin that implements the original Minecraft anvil for your server.
[TMG] GameLib
A library for TMG's minigames