Minecraft Java 1.21 Mods
Browse 12,081 free mods for Minecraft Java 1.21 — popular picks include SoldEconomy, Docket, PluginDoctor.
Updated daily
SoldEconomy
A modern, lightweight economy plugin for Paper servers featuring configurable messages, GUI integration, PlaceholderAPI support, and high-performance money management.
Docket
An open source plugin compatiblity scanner and developer helper plugin.
PluginDoctor
Detect plugin conflicts, analyze server health, monitor performance, and generate diagnostic reports for Paper servers.
Hassan_pvp
Prefrences Small totem Short swords Small utils Better performance Inbuilt optifine fullbright
AdminWatch
Performance. Diagnostics. Moderation. All in One.
LagDoctor
Diagnosis + prescription for server lag: measures tick times, chunk entity density and config values, then gives ranked, actionable fixes instead of raw profiler data. Runs fully in-server, no external services.
OmniAnnouncer
Modern, high-performance auto announcement plugin for Paper & Folia.
![Booster | Ultimate Farm & Performance System [1.21.1+]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/spiget/323533.webp)
Booster | Ultimate Farm & Performance System [1.21.1+]
Maximize your efficiency: The only booster stash for strategic farming, global events, and high-spee
QOLity of life
This project adds 30 new quality of life features to make your time playing the game much easier, all these features are very vanilla
BlackBox
Real-time performance and error telemetry, delivered straight to Discord or other ways
RedLegendaries
RedLegendaries is a feature-rich, high-performance Paper/Spigot Minecraft plugin (built for Minecraft 1.21+ / Java 21) that introduces 9 unique custom Legendary Weapons equipped with active primary/secondary abilities, passive buffs and more...
simMC 旅行猎手饰品工具
Client-side accessory scanner, reviewer, scorer, and sword/bow loadout optimizer for simMC Travel Hunter. / 面向 simMC 旅行猎手的客户端饰品扫描、复核、评分与剑弓配装工具。
Axe's Wood Cutting
Adds a stone cutter recipe for stripped logs!
Particles Optimizer
Optimize or ban particles, limit executions or run them async. PlayerParticles hook!
MMORepairPro
MMORepairPro is an advanced, lightweight, and highly optimized item repair plugin designed for Spigo
NewBeginnings
Client-side modpack with performance, shaders and QoL improvements for a better Minecraft experience
Player Profile GUI FREE
Lightweight, high-performance profile and statistics utility designed for modern Minecraft networks.
![(ABANDONED HERE, NO LONGER BEING UPDATED)⏳ ChronoSteal | Time-is-Health SMP [1.21+]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/spiget/162870.webp)
(ABANDONED HERE, NO LONGER BEING UPDATED)⏳ ChronoSteal | Time-is-Health SMP [1.21+]
The Ultimate High-Performance Lifesteal Alternative.
SearchingUltra | High-Performance Loot Crate & Advanced Reward System
Advanced loot crate system with a powerful and customizable reward system.
Waypoints Entity Datapack
This DataPack add in XP bar, icon of all living entity of Minecraft ! +130 icon
LBMystic
This plugin assists with and optimizes the VDS/VPS servers you create. It was developed by the VTSC Group. Click the download button to view its features.
SafeRTP
High-performance, Folia-native asynchronous Random Teleport (RTP) plugin with 3D cave biome support, location pre-caching, and MiniMessage formatting.
BoardAndTab
optimized tab & scoreboard plugin
CatStatus | Performance plugin
Check your performance server
0429 Mismagius Hacked Changes
Part of the Cobblemon Hacked Changes series, I am now separating my one mod into separate Datapacks. This datapack targets mismagius from generation four.
ME Spawner
An AE2 addon that adds an ME-powered mob spawner.
RedstoneProtector
Track redstone activity by chunk, set custom limits, and detect problem chunks before they impact server performance.
UltOrbital
High-performance orbital strike system for Paper 1.21.x
ggBackup
Modern, async, production-ready backup solution for Spigot & Paper servers.
lurin's optimizer
a basic optimizer where you have no reason to download it, but try it
zMZoneReset | Automatic Zone Reset
zMZoneReset – Automatic zone restoration for Paper/Folia. No WorldEdit/FAWE. Ultra-optimized, TPS-ad
RealResourcePack
If you like blue, then this is a resource pack for you because the style of this pack is blue. It's a custom PvP resource pack with armor, items, and blocks that have been optimized. With this resource pack, you have low input delay and almost no disadvant
Automatic Lag Detective
The automatic performance investigator for your Minecraft server
tAdminGUI
A lightweight, high-performance administration suite plugin!
Quaps Attack
The ultimate client modpack for any vanilla server! Get massive FPS boosts, awesome shaders, and useful QoL features completely without requiring any server-side mods.
Sakurahelm Modpack
A smooth and optimized Fabric client modpack created for the SakuraHelm SMP, featuring performance improvements, visual enhancements and a custom SakuraHelm interface.