Minecraft Java 1.21 Mods
Browse 374 free mods for Minecraft Java 1.21 — popular picks include Redstone Additions, SkWorldGuard, Velocity-Skript.
Updated daily
Redstone Additions
Best redstone&tech datapack, Super optimized, 55+ blocks (Block breaker, block placer, filters, conveyors, item pipes, breeder, generators, gates, chunk loader, wireless redstone, multiblocks, jetpacks and so much more ! )
SkWorldGuard
Most Worldguard effects/events in skript
Velocity-Skript
A plugin that add his own programming language like skript but for velocity
CIT Resewn (NeoForge)
Re-implements MCPatcher/OptiFine's CIT (Custom Item Textures). NeoForge port of SHsuperCM's CIT Resewn.
SkHttp
skript addon for http
OptiElitePlusz
Highly optimized for both ARM Mobile devices and Low-End PCs
ZonePractice Pro Duels
Elevate your server with the ultimate high performance Minecraft Modern PvP practice core plugin for playing duels.
Dark Client
Ever wanted all the perks of a premium client without juggling another launcher? With Custom Client, you get client-side features baked straight into your mods—performance boosts, HUD mods, and quality-of-life tweaks—loaded right alongside Fabric API
MavenLoaderAPI
A custom external dependency loader is prepended to easily reduce the package size.
Timekeeper
Super simple vanilla tick profiler for Minecraft datapacks & servers
Hopplet (Hopper Filters)
Expressive hopper filtering, written as plain text. The most powerful plugin in this domain. Filter by any item property. Extendable via a strong developer API.
PySpigot
A Python scripting engine (plugin) for Minecraft servers running Bukkit or one of its forks (Spigot, Paper, etc.).
Sword Utils
Real-time Java sword PvP feedback - recalibrated cooldown overlay, combo tracker, kill counter, auto sprint, reach display, damage immunity timer, and jump reset grader. 1.21.11 | Client-side only.
Replant+
A lightweight and server-friendly mod that automatically replants crops the moment you harvest them.
Customizable Dragon AI
Useful Datapack to customize the Ender Dragon's AI
OpenJavascript
Create custom menus, commands, plugins, systems, basically anything with scripts in Javascript! With multithreading and Folia support! Everything is fully documented in the documentation!
Sinytra Connector Crash Fix
Fixes crash in Sinytra Connector
ManualTotem
A simple mod that helps with manual totem placement by automatically moving your cursor to a totem when you open your inventory.
Draventh Ores
⚒ Advanced Tier Ores & Equipment This mod expands Minecraft’s survival progression by introducing 15 new late-game materials, each with full armor and tool sets. The goal of this mod is simple: Extend progression beyond Diamond and Netherite with a struc
PowerBoard
Minecraft plugin for Scoreboard, Tablist, Prefixes, Suffixes, Chat | Animated
Reese’s Sodium Options – Compat Rewrite
The required compatibility shim to make RSO work, all credit goes to the person who actually wrote RSO; FlashyReese
ConditionMod
Create powerful Minecraft events using YAML. No coding required. Optimized alternative with ConditionalEvents compatibility.
Ez recipes
A simple mod for adding any customizable crafting recipes to your Fabric server. Two recipes are included already, easy golden apples and easy cobwebs. Experience_bottle recipe is in the description. Try it!
More Villages Datapack
Adds more villages to the game.
JSCore
Extend your game with JavaScript, create and publish commands, menus, toggles and much more!
Butterfly API
An API to simplify Math and Registries.
GregTech Modern Bugs Fix
Fix some bugs of GregTech CEu Modern
Fiber API
FiberAPI is a lightweight Fabric API for XDPXI's mods, focusing on shared tools, compatibility, and performance.
Conium
Conium is a datapack and script framework for modern Minecraft, it provides very diverse features without Java coding, Conium lets you complete your mods only using datapacks.
Yarnwrap
Library for runtime deobfuscation of Minecraft, used by scripting runtimes.
Kappa's AntiCheat
A lightweight Fabric anti-cheat designed for high performance on large-scale servers.
5q12's YAML API
A YAML api to read and write to YAML files for Fabric.
GlobalMarketplace – Auction | Geyser Support
Cross-server Auction House for Paper with anti-dupe, Vault economy, and Discord support.
Ev's Mod
MapArt collection sorting/copying, image export, visual bug-fixes, and other related utilities.
SkinTLS
Mod that forces Minecraft to load player skins and Mojang-hosted capes over HTTPS for secure and reliable texture fetching.
PartyBox
Partybox Minecraft Music, Playlists & Jams