Minecraft Java 1.21 Mods
Browse 764 free mods for Minecraft Java 1.21 — popular picks include SystemsAPI, SkillsMod, Sinytra Connector Crash Fix.
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SystemsAPI
A fabric library that abstracts Hypixel Housing's systems
SkillsMod
A mod that adds upgradeable skills.
Sinytra Connector Crash Fix
Fixes crash in Sinytra Connector
Village Healthcare EX
A port of HyperPigeon's Village Healthcare to Architectury
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.
GlobalMarketplace – Auction | Geyser Support
Cross-server Auction House for Paper with anti-dupe, Vault economy, and Discord support.
Food Update
A new game-ready food balance and a flexible tool for DP-creators
Leaderboard
Create leaderboards for any data
Third Person Control
utils datapack to Control Entities in Third Person, with WASD, Jump and Sneak controls!
mcs_permissions
Server Essentials, but for vanilla minecraft made in datapack format.
Easy Block Editor
EasyBlockEditor is a Minecraft construction editor mod inspired by the Litematica mod and developed using the LDLib2 framework.
Starlight-Plugin
A plugin containing everything you need :D
Script Blocks
Adds various blocks and mechanics which assist map makers and dungeon builders.
Soul Gathering
Adds the Soul Gathering mechanic from MC Dungeons
RMK`s The One Probe Addon
The One Probe addon for different mods
Petrichor
Expands the Sniffer's plants! Feed the soil! Reap the balm!
Character Sheet
An open source Roleplay-like charcacters implementations with an integrated clothing system, skin modifier, character switcher and stats system.
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.
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.
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!
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.
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)
Source Bad Hygiene
This mod adds bodily functions to minecraft
CC: VR
CC: Tweaked x Vivecraft Addon
midi
A lightweight Minecraft mod for sending MIDI-like actions from the client to the server via custom plugin messages.
CustomCapes
# Custom Capes Ever wanted a cape that's truly your own? With **Custom Capes**, you can design, edit, animate, and wear completely custom capes directly inside Minecraft. No external editors, no complicated setup—just install the mod alongside Fabric API
Lag Detective
Lag Detective is a lightweight diagnostics mod that helps answer where the lag is coming from.
Custom Background Music
Framework for adding custom background music to your game
custom-crafter-api
An advanced PaperMC crafting engine for building complex recipes with NBT-supported custom items.