Minecraft Java 1.21 Mods
Browse 770 free mods for Minecraft Java 1.21 — popular picks include RTN's Economy Library, Dalib, DialogAuth.
Updated daily
RTN's Economy Library
Server-side economy library with rewards for killing mobs, kill combos, top lists and a developer API. Vault-style economy for mods in Minecraft.
Dalib
A library mod that adds support for ItemGroup, Block, and Item registering. More to come.
DialogAuth
Lightweight minecraft auth plugin with DialogAPI support
KrepAPI (Plugin)
Run server commands when a player presses a key- configured in a simple YAML file, no programming required.
RPG Dialogue
The definitive dialogue system
Econics
Econics adds a flexible multi-currency system to your Minecraft server. Create custom currencies with MySQL/SQLite support and a simple developer API.
Really Cooking
Cooking in Minecraft has always been simple, but not anymore!
CustomItemBars Lib
This mod allows you to add additional colored bars to any item
Two-Dimensional Foil
A mod that adds a two-dimensional foil weapon from The Three-Body Problem. Drop it to collapse blocks and creatures into an irreversible, mirror-like 2D plane within a configurable radius. Requires Fabric API.
InfinityCore
Library used in InfinityGroup Plugins for compatibility and optimization development.
FlatScript
A simple, no-indent scripting language for Minecraft servers. Write commands, events, GUIs, NBT data, and more without complex syntax.
Frost Walker Tweaker
This DataPack lets you use Frost Walker II while riding an entity.
Item Challenge
Give your server a collective goal: collect a set amount of any item before the in-game days run out. Track progress in real time through a boss bar, deposit your items in one command, and see who contributed the most.
UniGUI
A universal GUI library, supporting both Vanilla and modded clients.
![Easy Trading Russificator [РУС]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/154642.webp)
Easy Trading Russificator [РУС]
Official Russian language pack for Easy Trading Plugin. Allows you to change the plugin's system language to Russian.
SyAPI
Provides some obscure APIs for the development of other plugins
API-GeneratorColor
A tool designed to generate and convert color values in HEX format.
Jobsy AutoDiscordLinker
JobsyDiscord is a lightweight Paper 1.21.x plugin that promotes your Discord server by sending automatic clickable chat broadcasts every 30 minutes. Players can click the message to instantly join your Discord, while Bedrock players (via Geyser/Floodgate)
Pixel Combat
Pixel Combat is a professional, zero-dependency PvP combat plugin built for competitive Paper 1.21 servers.
Event Discord
Create Discord scheduled events directly from Minecraft with command
Aegis Armor
Aegis Armor adds a customizable armor durability HUD with multiple layouts, styles, warning levels, and native Minecraft visuals. Requires Nythral Library.
Neuro Anticheat
Lightweight and practical anti-cheat plugin for Purpur/Paper 1.21.8.Designed for SMP servers that need a simple, configurable baseline protection without heavy setup.
SpyHITW-Mod
A client side dependency mod, to render walls of hole in the wall and calculate physics.
RPG Errands
Villagers who want something
More items for furnace
Would you like more items to smelt in your furnace so you can smelt more items?
MapCycle
MapCycle makes managing rotating FFA maps simple by handling everything automatically while keeping full control available for administrators.
DialogAuthVelocity
Velocity addon for DialogAuth for premium accounts support
Staminafy
Adds a simple stamina system to Minecraft.
Craftels API
This mod is an API for Project zomboid like "Craftels" (Moodles)
Flame Announcer
A powerful and highly customizable announcement plugin featuring scheduled Chat, BossBar, and Interactive clickable messages with full in-game management.
Tom's Loot (Dp Edition)
This datapack adds a variety of loot tables and can be used by other mod developers for structure mods and other mods with loot tables as a basis. Datapack Edition
Various Sable Weights
Just added Weights for Sable by tags and then mod specifics. made it for myself and just throught I'd share.
Aftermath 4
This a datapack that adds new features to your game, like crafts and some structures!
PluginListPlus
A more readable plugin list with customizable aesthetic themes and styles.
Relocation
A simple building relocation plugin
Custom Collision Box
A datapack library that can create custom collision/interaction box with management.