Minecraft Java 1.21 Mods
Browse 3,590 free mods for Minecraft Java 1.21 — popular picks include Spawn Shield, AnnounceX, HologramLib.
Updated daily
Spawn Shield
This is a plugin that protects the user on spawn!
AnnounceX
📢 Professional announcements with custom durations, colors, sounds & particles! Title + BossBar modes. Perfect for events! ⚡
HologramLib
Packet-based text display library with animations, leaderboards, emojis, minimessage, and more!
Foodtweakerr
Customize any vanilla or modded food’s stats, effects, attributes, and behavior through JSON configs!
Annoying Effects
New status effects that makes it harder and more annoying to survive and explore.
Shaper
A support API for loading and exporting JSON voxel shapes for hitboxes
WeatherCore
Library mod for registering custom weather conditions
Lazuli
A personal library mod aiming to make modding less tedious.
Actor
An API for controlling Player Actions
♂️ TheMob ✦ Advanced Custom Mobs & Bosses
Mob Framework | YAML | Boss Phases | Radar HUD | AutoSpawn | Player Stats | 1.21+
Configory
Configory is a lightweight configuration library for Minecraft mods. Define each value once - with its type, default, and validation rules - then read and write it with full type safety, dot-notation paths, and JSON-backed, per-mod config files.
ShadowEssentials
ShadowEssentials is an all‑in‑one essentials, teleportation and utilities framework for Fabric servers
Simple Chat Colors
A simple Minecraft plugin that adds color to player chat messages based on their username.
SpawnStash
This is the best and most customizable donut spawnstash plugin out in the wild
Epiphany - Modular Skill Tree
A Data-driven Modular Skill Tree API mod
DisplayEntityUtils
DisplayEntityUtils makes using display entities easier. Supports BDEngine, for display entity models and animations, without resource packs or mods.
Makertastic Experience
A project that aims to make Minecraft survival feel fresh again, adding new mechanics and fun features to the game.
Juix Resources (mod version)
Mod enabling Juix datapacks' custom textures
NilKit API
NilKit API provides reusable utilities for mods built around NilLoader, with a particular focus on legacy Minecraft development.
Baspig Utils Lib
Just a small library, to make mod develop easier
On Ancient Ground-Core
Mod written for the On Ancient Ground modpack to add essential content.
CookieGUI
An Free and simple GUI maker plugin that supports Placeholderapi, color codes and so on (Also includes in game gui editor)
SSaVS MOD
Server Security and voting system - add custom ui (not inventory) and way to PAPER servers block ANY mods/rp in client. Support ONLY for 1.21.4
SkyeNetwork Velocity
The custom velocity plugin used to building SkyeNetwork
Poofy's Uncraftable Recipes+
This mod adds over 280+ crafting recipes to vanilla Minecraft!
StringLib
A Minecraft Data Pack library that offers highly optimized implementations for many useful string manipulation utilities.
Multiplayer Display HUD
Display players HUD using scoreboards
Geyser Sanitizer
GeyserSanitizer is a Spigot/Paper plugin designed to sanitize text components sent to Bedrock players, preventing client display issues could be caused.
PyCraft IDE
An in-game Python IDE for Minecraft that allows scripting and interaction with the game through a Python API.
Mint
A paper plugin for currency
NoxesiumAPI
A plugin and API that lets you interact with Noxesium clients
Pokeballs to the Walls
Cobblemon addon that ports Gravelmon Poke Balls and adds orange and purple apricorns without the Gravelmon or GEB dependency.
CobbleLib
CobbleSuite Library By WhosLucid
RTP random
This is the most lightweight RTP plugin
Detoxify
Detoxify your chat on your client or your server!
Trillion O Trees
An overworld mod adding many more tree types and forests... some added structures too