Minecraft Java 1.21 Mods
Browse 2,172 free mods for Minecraft Java 1.21 — popular picks include A Lombada, Create: Automata, SyEnergy.
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A Lombada
A Vanilla+ modpack centered around Create
Create: Automata
Official modpack for the Create: Automata server. Jam packed with Create addons, QoL mods! All while keeping it mostly lag free!
SyEnergy
Reduce the view distance and render distance for AFK players on your Minecraft server to reduce resource waste
Super Little Create Modpack (SLCM)
Dive into an immersive Minecraft adventure focused on engineering, exploration, and creativity.
Aeronautics Origins
A Minimal Create Aeronautics Pack Paired With Origins
CoreLifesteal
A highly optimized, customizable Lifesteal core featuring player heart withdrawal, admin menus, and immersive multiblock revival altars.
Create & Constructions
Create & Constructions modpack with create: aeronautics!
Best login
Lightweight Paper/Bukkit 1.21.11 authentication plugin. Players can't move until logged in, with secure hashed password protection and zero-hassle setup.
MaxEntitiesInChunk
Manage or Restrict the number of entities in each chunk. specially adapt to Mohist Server.| 限制每个区块的实体上限，并适配Mohist。
Nano's Performance
This is my own performance mods that I have been using and are great for both single and multiplayer, offering high and stable FPS, with only a few small QOL mods.
MekDefender
A NeoForge server protection mod for Minecraft 1.21.1 + Mekanism. One mekdefender project and one JAR provide:owner-aware chunk loading for Anchor Upgrade machines and the Dimensional Stabilizer;bounded latest-state synchronization for four proven-safe
SkripyTpa
A high-performance teleportation suite designed with aesthetic configs.
ThreadSight
Real-Time Performance Intelligence ThreadSight is a lightweight, high performance server performance monitoring plugin for Minecraft
lagwatch
Always-on lag detector that automatically catches TPS drops, lag machines and chunk hotspots before you even notice them.
TB-ScoreTime 1.21.x - 26.x
A high-performance, fully asynchronous leaderboard and automated reward system
RedOut
Allows players to get server metrics like mspt as a redstone signal from an item frame.
GuardChunk
Protect your server from lag and chunk overload by automatically limiting blocks and entities. GuardChunk keeps your performance stable, optimized, and secure.
Synix
Secure Discord ↔ Minecraft sync bridge for Spigot/Paper with embedded high-performance bot, bi-directional chat, and automation features.
DiscordLogger
Log every command and gamemode change from your Minecraft server directly to Discord — in real time.
wauth
wAUTH is an ultra lightweight and high performance server security solution designed for Minecraft networks running Paper Purpur Spigot or CraftBukkit across versions 1.20.6 through 1.21.4 and above. The plugin eliminates the need for bulky external world
FluxySpawn
A lightweight spawn plugin designed for performance and simplicity. Easy to set up, optimized for modern servers, and packed with essential spawn features.
Rptback
Rptback is a Folia-optimized /back plugin for Paper 1.21+ servers. It safely teleports players to their death point with very smart safety checks, fully configurable delay, and clickable chat buttons.
20TPS
20TPS is an all-in-one performance toolkit that stabilizes your server by limiting lag machines, stacking mobs, and fixing common exploits.
MJCoordinates
MJCoordinates is a clean, performance-friendly Minecraft datapack that displays your real-time X, Y, Z coordinates, the current world day count, and your cardinal facing direction directly on the action bar.
DynamicWarden
An automated, high-performance Void Warden Boss Event with dynamic JSON bossbars and premium rewards
Skull Boost
Collection of FPS boosting mods and essential mods for pvp. Brings every single mod you will need for PVP. Runs on Vulkan Mod
AstraControl
AstraControl is a free, all-in-one server control center: live health monitoring, plugin/hook status, error watching, maintenance mode, broadcasts, PlaceholderAPI testing, and permission debugging in one config-driven GUI.
VertexaCore: One plugin, two essential features, infinite performance
Ultra-lightweight core: Flicker-free stats and automated alerts with zero TPS impact
Epic Adventure Craft: Fantasy SMP
The official modpack to play on the Epic Adventure Craft Network's Fantasy SMP.
Squaremap Folia Regions
A high-performance Squaremap extension specifically designed for Folia servers to visualize threaded regions in real-time.
RX-KeyAll
A lightweight, highly optimized KeyAll plugin with dynamic BossBar countdowns and RGB support.
Guardian Portal Optimization
Optimizes Guardians that go through a Nether Portal. Allows for afk farming alone.
Docket
An open source plugin compatiblity scanner and developer helper plugin.
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.
AstraWare Client Mod (1.21.4) – Upgraded Astralux Client
AstraWare Client Mod is a powerful and feature-rich PvP client designed for high-level combat, focusing on Crystal and Anchor automation with advanced optimization and exploit-based mechanics. It stands out with its server-specific configs, smooth combat assistance, and strong visual awareness tools. Features: Advanced Crystal & Anchor PvP (AutoCrystal, DoubleAnchor) Smart automation (AutoTotem, AutoTrap, AutoWeb) Latency […]
GendMaker Client Mod (1.21.1) – Advanced PvP Optimization
GendMaker Client Mod is a combat-focused PvP client for Minecraft. It is designed mainly for: Crystal PvP, Sword PvP, Mace combat, Combat delay and hit optimization, Visual support (HUD & ESP). Instead of survival features, this client focuses on automation, timing optimization, and combat efficiency. Features: Sword PvP Modules Aim Assist – Helps keep your […]