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Minecraft Java 1.21 Mods

Browse 3,590 free mods for Minecraft Java 1.21 — popular picks include AnvilLib, Seasons API, Uncraftable No More.

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3,590 mods

1.21.1neoforge

AnvilLib

AnvilLib is a NeoForge mod library developed by Anvil-Dev, providing Minecraft mod developers with a series of practical tools and frameworks.

6.6kdownloads

1.21.5fabric

Seasons API

API for creating your own seasons, weathers and challenges!

6.5kdownloads

1.21.1fabric

Uncraftable No More

Want to craft items that were not originally craftable? This mod does just that!

6.5kdownloads

1.21.11neoforge

Potion Guide Vanilla

The brewing guide that Mojang should have included.

6.5kdownloads

1.21.5fabric

Lucky Break

Craft or find a naturally spawning Lucky Block that unleashes unpredictable rewards, chaos, and powerful lucky gear every time you break one.

6.3kdownloads

1.14

ProtoWeaver

A networking library for creating custom protocols that run on the internal netty server.

6.3kdownloads

1.21.1fabric

CobbleTypes Master

The Ultimate Pokemon Type Utilities in minecraft and cobblemon! Type Chart, Team analysis, Scanning and much more!

6.3kdownloads

1.21.1fabric

[TaCZ] Endless Ammo Refabricated

A comprehensive ammo library addon for TACZ that adds 36 realistic ammunition types to expand your arsenal.

6.3kdownloads

1.21.1neoforge

[NTGL] NukaTeam's Gun Lib ReForked (Unsupported)

A NeoForge Unnoficial port of NukaTeam's gun library.

6.3kdownloads

1.21.4neoforge

Passionfruit API

A core lib for most AceCommander492 and TheDeadlyDevil09s mods. Adds a secret crafting recipe for a passionfruit.

6.3kdownloads

1.21.5neoforge

Jockey API

Jockey is a lightweight API designed to simplify the implementation of custom entity jockeys using data tags.

6.2kdownloads

1.21fabric

Interference API

Simple library adding common mixins

6.2kdownloads

1.21.1neoforge

RhinoTS (Typescript for KubeJS)

Modifies KubeJS Javascript engine (Rhino) to ignore Typescript types

6.2kdownloads

1.20.1forge

Energy-To-Emc

Energy to EMC: A high-performance bridge that seamlessly converts Forge Energy into ProjectE EMC for advanced alchemical automation.

6.1kdownloads

1.21.5fabric

Dragon Egg Craft tweak

Adds ability to duplicate dragon egg

6.1kdownloads

1.21.2fabric

Health Enchantment

New enchantment that, when applied to armor, lets you get more health.

6.0kdownloads

1.21.1fabric

Overgrown's Sync

A system for yielding new capabilities. Sync is an addon for the Apoli mod that's used primarily for the Origins mod!

6.0kdownloads

1.21.1forge

Kozhin's Lib

A library mod for common utils and functions in my mods.

6.0kdownloads

1.21.8neoforge

Realistic Water Engine / RWE / Water liquids

First addon for pysics mod water pysics Pro version required

6.0kdownloads

1.21.5

goPaintAdvanced

The ultimate painting tool for Minecraft

5.9kdownloads

1.21fabric

BukkitFabricLoader

A Fabric mod that allows Bukkit/Spigot/Paper plugins to be loaded and run on a Fabric 1.21 server.

5.9kdownloads

1.21.1fabric

Cobblemon Book Wiki

A mod to display pokemon information in-game, in a minecraft book

5.9kdownloads

1.21fabric

Mini Tardis: BOTI

A work in progress addon for Mini Tardis to provide Immersive Portals integration.

5.9kdownloads

1.17.1

EzEconomy

Modern, fast, and flexible Vault economy provider for Minecraft servers. Supports YML, MySQL, SQLite, MongoDB, and custom storage. Multi-currency, async caching, and robust permissions for any server size.

5.9kdownloads

1.21.9fabric

Lite2Edit

Lite2Edit is a small Fabric mod that lets WorldEdit open Litematica schematic files (.litematic).

5.9kdownloads

1.21.11fabric

Nexa AI Chat

The Mod/Plugin Introduces Nexa Ai Agent into the Minecraft. Your sidekick in minecraft! Accessible from the chat. You can talk to it anytime, even ask it to do actions. it has all context of you and environment so when it talks, you better listen.

5.8kdownloads

1.21.1fabric

CNPCs BBS Addon

Transform your CustomNPCs with stunning BBS morph forms! This addon bridges CustomNPCs and BBS Mod, allowing you to give NPCs any BBS model appearance with full animation support.

5.8kdownloads

1.20.1fabric

Brewmaster

A mod that allows you to add, remove and replace potion recipes using datapacks

5.8kdownloads

1.16spigot

IF - Inventory Framework

Create, alter and manage GUIs in an easy and maintainable manner

5.7kdownloads

1.21.1fabric

Access Denied - API

API for Access Denied allowing developers to create unsupported mod compats, custom requirements, and more.

5.7kdownloads

1.21

Dreams Speedrunner Swap + Task Master

Three iconic Dream challenges in one plugin: Speedrunners vs Hunters, Multi-Runner Control Swap, and the new Task Master mode. Experience all of Dream's most popular Minecraft challenges with customizable features, team management, and seamless gameplay.

5.7kdownloads