Minecraft Java 1.21 Mods
Browse 110 free mods for Minecraft Java 1.21 — popular picks include Every API, Advanced Macro Engine, ItemDisplayPlugin.
Updated daily
Every API
As you read the name this modpack adds all the API's that are present in the Minecraft API library. You can now download any mod without worrying about the API's that you will need to find manually, just download this modpack and you're all set.
Advanced Macro Engine
A high-performance scripting and macro execution framework for Minecraft Java Edition datapacks. Provides fiber scheduling, modular APIs, and multi-version overlay support out of the box.
ItemDisplayPlugin
This plugin allows the collection of items dropped within a 5-block radius in Minecraft, merging the items with the same type and displaying their quantity in the item’s custom name. Items that cannot be stacked, such as enchanted equipment (e.g., swords,
G1axFixer
G1axFixer is a client-side Fabric mod that fixes resource pack crashes and optimizes network, rendering, and ticking for maximum FPS and smooth combat.
RevertRaidChanges-Pro
Restored Raid to the logic before version 1.21. Allows most professional Raid Farms to function.
GuardianAc++
Enterprise anti-cheat for 10k+ players. 12 detection modules, real-time monitoring, Discord integration, zero vulnerabilities. Professional-grade protection with dynamic scaling.
SIR
A simple chat plugin that have a lot of functions to customize your server.
VelocityNavigator
The all-in-one Velocity network solution for intelligent lobby routing, parties, queues, Java and Bedrock menus, server management, Redis sync, failover, and live monitoring.
ReplaceBlock
This datapack provides a powerful API that can replace blocks in the world with high performance in a completely vanilla way after world generation.
Auto Logout
A mod that automatically kicks yourself from server once a player gets in range of blocks that u set, allows u to afk farm and play safe.
I Want To Control My Server (IWTCMS)
Simple minecraft mod, which allows you to connect to your server and control it
RevertRaidChanges-Extra-BadOmen
allows you to obtain BadOmen after killing raid captain, just like before version 1.21.
Takion
Takion is a powerful Spigot library for advanced chat, text formatting, and messaging utilities in Minecraft plugins.
Easy Bee
A completly new way to trasport bees with extra tweaks
Advanced API
AdvancedAPI provides very simple code, for example, ItemBuilder or SimpleInventory, which can be used to create things faster. ONLY FOR PLUGIN DEVELOPERS
Mascom (Mass Commands)
Run any command as often as you like AT ONCE and easier than ever before :)
Easy Freezing
A mod that allows you to Freeze Time around you at will! Try with multiplayer and things get confusing fast!
Polydex2REI-Forked
Converts Polydex recipes to work with REI!
MHDF-Tools
MHDF-Tools | Dream Tools | ✨ A lightweight portable high performance Bukkit base plugin ✨MHDF-Tools | 梦之工具 | ✨一款轻量化便携高性能的Bukkit基础插件✨
Espoir SMP
The plugin's twist is ⚙️ How the system works: 🧿 You start with 3 souls. 🔻 Each time you die, you lose a soul. 💀 At 0 souls, you become a ghost: spectator mode for 24 hours. ⚔️ Kill a player → you steal one of their souls, if you don't already have all
RewardsX
Turn Engagement into Rewards
ISS
This Datapack adds an easy way Save and Load player inventories.
ReviveSystem
Revive players after death Special items and mechanics Customizable settings Compatible with Minecraft 1.21–1.21.10 + (- 26.2)
QoL
(1.21.5+), Adds Quality of Life features that everyone needs in their Survival worlds/servers (will also include some of my other datapacks/mods in here)
WebSiteCaptcha
WebsiteCaptcha is a Minecraft server plugin designed to enhance security by requiring players to verify themselves via a web-based CAPTCHA before accessing the main game world or server.
PyCraft IDE
An in-game Python IDE for Minecraft that allows scripting and interaction with the game through a Python API.
RevertRaidChanges-Normal
Restored Raid to the logic before version 1.21.
PrismaticAPI
Versatile library for advanced color manipulation and text formatting in Bukkit/Spigot/Paper plugins.
SimpleLimbo
A lightweight virtual limbo server plugin for Velocity proxy using LimboAPI.
RemooLogin
A lightweight Minecraft plugin for offline servers that requires players to register and log in before interacting.
P_Terrenos
Terrenos Customizados Custom lands
P_Lixeiro
o P_lixeiro limpa seus mundos para evitar lag ou muito uso da cpu e memoria! P_lixeiro cleans your worlds to avoid lag or high CPU and memory usage!
SMPShield
Opens an API for real-time server CPU, memory, TPS usage, and player information, enabling efficient monitoring and management of your Minecraft server.
CorruptionCraft
A plugin that challenges players. Random events can occur. (no Spoilers!)
AudioEnginePlus
Advanced audio optimization engine for Minecraft: smart pooling, deduplication, caching, and LOD for peak performance.
mcsl
MCSL is a dedicated server admin tool that lets you share your console logs, crash logs, timings, latest log and more. The platform allows sharing and management logs much easier.