Minecraft Java 1.21 Mods
Browse 3,588 free mods for Minecraft Java 1.21 — popular picks include Character Sheet, Sparkles, Butterfly API.
Updated daily
Character Sheet
An open source Roleplay-like charcacters implementations with an integrated clothing system, skin modifier, character switcher and stats system.
Sparkles
Add visual effects to decorate your builds. Almost easy to use, tons of particles!
Butterfly API
An API to simplify Math and Registries.
ChosenLib
ChosenLib: a lightweight utility library for Fabric
Flyd
Dynamically generate fluids. Ideal for modpack creators.
CrashPanel | CrashCore
The ultimate No-Code engine. Elevate your server with hot-reload, node-based event scripting, plus full model and particle editors in one intuitive interface.
Big Items API
A really simple library that allows developers to make items take up more inventory slots.
AddHeads
Adds player heads to chat and tablist, exposes reusable head placeholders for PlaceholderAPI-based plugins | No RP and Mod neded. Offline mode support.
LDLib-Fabric
LDLib is a libarary mod for custom rendering, modular gui, but now in Fabric.
VillagerExplorer
Villager Explorer is a client-side Minecraft mod that lets you view detailed information about villagers in a beautiful, interactive GUI.
Fruitbridge
This mod contains Fruitbridging utilities to assist players. Features are designed for both the Distance and Java 12b leaderboards.
Merged Items
Adds a merging mechanic for items. Items can 'store' other items and will inherit their attribute modifiers.
NoxesiumUtils
Communicate with The Noxesium Mod with ease.
NBTUltimate
A library made for making items with NBT with some NBT features that are not possible to be activated on a specific item.
Hitbox Api
Add more colliders for Minecraft
OriginsxTrinkets
This mod allows player to create their own custom trinket items using the origins mod
Enhanced Health Indicator
Have an incredible health viewer on your server with absorption color health!
relauncher
JVM relaunch library for Java based applications
AI Pathfinder
Implements Pathfinding for your Custom Mob!
BetterReset
Minecraft plugin that lets you safely reset a world’s Overworld, Nether, and End while the server is running, with player protection, async deletion, and full regeneration in one command or GUI.
Biome Modifier for Fabric
A library mod that allows users utilize datapacks to modify biomes easily and compatibly.
Teleport Mod
Force Teleport Players: Cannot teleport others to you or third parties coordinates/players Permission Tiers: No external permission plugin dependency (all players enabled by default)
Mogrul Lib
A small library mod intended to be used as an integration-tool for other Mogrul mods.
Source Bad Hygiene
This mod adds bodily functions to minecraft
EnderchestExpand
This plugin makes the enderchest as big as a double chest
AAA Particles Command
Allows you to spawn AAA Particles with a command.
ConditionMod
Create powerful Minecraft events using YAML. No coding required. Optimized alternative with ConditionalEvents compatibility.
Create:Belt Tweaker
it allows you to freely adjust the spacing between items on conveyor belts
AnvilCraft: KubeJS
AnvilCraft's KubeJS Compat
CC: VR
CC: Tweaked x Vivecraft Addon
Crafting Essentials (Grass Block Edition)
This mod simply adds a recipe for the grass block
Static Data
Access mod integration data right away from your own mod initializer!
Glazed: A Honey Expansion
Adds 20 new food items, giving honey the sweet uses it deserves.
XoperrCore
This is a library for my plugin you would need while configuring my BlissSMP remake (BlissGems)
InfoPlus+ 📑
Displays detailed server system info (CPU, RAM, GPU, OS, Java, Minecraft, Loader) directly in-game. Useful for debugging, tech support, and verifying server/client environments
midi
A lightweight Minecraft mod for sending MIDI-like actions from the client to the server via custom plugin messages.