Minecraft Java 1.21 Mods
Browse 371 free mods for Minecraft Java 1.21 — popular picks include Robot's Datapack Tools, BSLib, GitWorlds.
Updated daily
Robot's Datapack Tools
This datapack library adds multiple tools which make datapack creation easier.
BSLib
BSLib Library aims to eliminate boilerplate code, streamline development workflows, and introduce modern reactive programming paradigms to the Minecraft ecosystem.
GitWorlds
A Simple World Version control with Github.
1.21 GameRules Restore
1.21 GameRules Restore brings back the original behavior of selected gamerules from version 1.21 that were changed in Minecraft 1.21.11. This allows servers to keep the old mechanics without downgrading the game version.
AtomicsLib
This is a library datapack which adds all the annoying things you end up making everytime.
twinkle popo mod
it adds twinkle popo realistic pikachu and realistic hellokity
FurnaceEditor
A collection of powerful in-game editors to manage crafting and smelting recipes effortlessly. Create, edit, and delete recipes via intuitive UIs without ever touching a config file.
DataPackPlus
Adds faster math commands, accessing entity variables, and other useful features for datapack developers.
Cookie Dough
A Framework Modpack for all of my Modpacks
YAML
A math library specifically designed for speed.
LuaCraft
LuaCraft embeds LuaJ into Paper/Bukkit servers, providing developers with a lightweight, fast scripting layer without the complexity of full plugin development.
Serious lib
A library designed for use on legitimoose.com, with a focus on creating the most unoptimized abominations
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.
HardObtainment
This project adds hard more balanced crafting recipes to Minecraft. So far here is the crafting recipes we have changed: Mace
ServerBenchmarkPro
Advanced Minecraft server benchmark plugin with Antutu-style scoring, CPU throttling test, and live ActionBar performance analysis.
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.
DataLens
Real-time data inspector for Minecraft
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+]
Analyse
Server analytics plugin to track player behavior and acquisition sources.
BoostSync
Reward your Discord Nitro boosters in Minecraft with automated, verified rewards. BoostSync links accounts with a one-time code, grants a renewing 7-day booster rank while they keep boosting, and offers once-per-season reward claims.
BluCooldown
Minecraft Paper/Folia plugin for adding fully configurable cooldowns to items
Idle_Essentials
Just visual beautiful and mechanical comfortable essentials plugin like All in One
DPNPC
Customizable NPCs using Minecraft's mannequin entity.
Slipstream
Ultra-fast, zero-allocation packet framework for Paper 1.21+. Coroutine-first, ProtocolLib-style API for modern Kotlin developers.
NovaRelics
NovaRelics is the most powerful and flexible custom item framework for Paper Minecraft servers.
KNLibs
KNLibs is a lightweight, high-performance core library required for all KN Projects plugins.
InfinityCore
Library used in InfinityGroup Plugins for compatibility and optimization development.
PixSystem
PixSystem It is an add-on that manages the server from deleting abandoned stuff and protecting the server from spawn and other additional things
dsHOME
Advanced Minecraft homes plugin with GUI, teleport system, and 70 home support.
dsLOGIN
dsLOGIN is a must-have plugin for any Minecraft server. It ensures player account safety, prevents unauthorized access, and provides a professional-grade authentication system—giving your server a secure and polished experience.
EssentialsExpertAIO
EssentialsExpert is a high-performance, modular core suite for Paper 1.21.1 that consolidates essential server management, player utilities, and economy features into a single, highly customizable framework.
Maykesh's Server Observability Framework
A comprehensive server observability framework for Minecraft 1.21. Monitor tick timings, entity updates, chunk loading, network packets, and more with minimal overhead. Perfect for debugging, optimization, and rate-limiting systems.
Flame Announcer
A powerful and highly customizable announcement plugin featuring scheduled Chat, BossBar, and Interactive clickable messages with full in-game management.
WSXPay
Integrate real-world payments into WebShopX
Item Limiter
Item Limiter gives server owners full control over which items players can use. Set custom limits for specific items or disable them entirely. Players cannot exceed the configured item limits, and disabled items cannot be held by players.
Cobblemon Tim Core Mod (1.21.1, 1.21) – Essential Library For Pokemon Modding
Cobblemon Tim Core Mod serves as a shared codebase to reduce code duplication across the developer's Cobblemon-related mods, providing common utilities, fixes, and extensions. It's essential for modpacks using multiple "Tim" Cobblemon addons, ensuring consistent behavior and performance. Features: Base classes for mod structure and config handling. Simplified config creation with overridable settings. Tools for […]