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Minecraft Java 1.21 Mods

Browse 3,587 free mods for Minecraft Java 1.21 — popular picks include ZConfig, RiderApi, Stamina Attributes.

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ZConfig
1.21fabric

ZConfig

A mixin config plugin for zfastnoise

90kdownloads
RiderApi
1.21.1neoforge

RiderApi

A generic library that supports mods

88kdownloads
Stamina Attributes
1.21.11fabric

Stamina Attributes

A small API that adds a stamina system controlled by entity attributes.

88kdownloads
JustAnotherLibrary
1.21.11neoforge

JustAnotherLibrary

A library mod that supports all of my mods shared functions

87kdownloads
Locki
1.21fabric

Locki

A library for controlling access to the player's inventory

87kdownloads
Commander
1.21fabric

Commander

An extension of the data pack system.

86kdownloads
Forge PlaceholderAPI
1.21.1neoforge

Forge PlaceholderAPI

PlaceholderAPI for pure Forge mods

86kdownloads
Blackwolf Library - Fabric
1.21.4fabric

Blackwolf Library - Fabric

A library for my decorative Fabric mods

86kdownloads
Goop
1.21.5fabric

Goop

Adds Slime and Splatter Visual Effects to Minecraft

86kdownloads
CommandAPI
1.20

CommandAPI

An API to use the command UI introduced in Minecraft 1.13

85kdownloads
Serene Seasons API Stub (Ecliptic Seasons Bridge)
1.20.1forge

Serene Seasons API Stub (Ecliptic Seasons Bridge)

Ecliptic Seasons - Serene API Compat bridges mods that use the Serene Seasons API to work with Ecliptic Seasons, allowing them to display seasonal changes without needing direct Ecliptic Seasons support.

85kdownloads
PMWeatherAPI
1.21neoforge

PMWeatherAPI

An API for interacting with ProtoManly's Weather Mod

84kdownloads
Neptune
1.21.1neoforge

Neptune

Animation Fan Work Engine

84kdownloads
Dat Modding API
1.21.4neoforge

Dat Modding API

A library for Dat Developer mods, or anyone else who want's to use it.

82kdownloads
Item Components
1.21.2fabric

Item Components

Change the default components for items! Server-side and data-driven, refreshes on /reload! (and does it properly)

82kdownloads
TargetingAPI
1.21.1neoforge

TargetingAPI

A simple mod to help determine friend/foe relationships between entities.

81kdownloads
Health Regeneration Overhaul
1.21.10fabric

Health Regeneration Overhaul

This API changes how health regeneration works and disables the food system.

81kdownloads
SDM Core
1.21neoforge

SDM Core

SDM Core is a powerful library for creating mod script elements and more.

81kdownloads
GabrieleCore
1.21.11neoforge

GabrieleCore

A library mod for Gabriele_333's mods

81kdownloads
KubeJS Oritech
1.21.1neoforge

KubeJS Oritech

KubeJS integration for Oritech.

80kdownloads
Fox's Core
1.20.2forge

Fox's Core

Library for some mods made by Fox.

79kdownloads
DeftuLib
1.21fabric

DeftuLib

Small library for Deftu's mods.

79kdownloads
macu lib
1.21.11fabric

macu lib

Library for my mods and adding supporter perks

78kdownloads
RegSyncFix
1.14fabric

RegSyncFix

Bypass Fabric API registry sync errors

76kdownloads
Encounter: Mob AI Tweaker
1.20.1forge

Encounter: Mob AI Tweaker

Allow modpack developers to add targeting/avoiding rules for entity AI.

75kdownloads
Ars Monde Lib
1.21.1neoforge

Ars Monde Lib

Content library for Ars Monde

75kdownloads
Stamina For Tweakers
1.21.1neoforge

Stamina For Tweakers

A painfully configurable stamina mod.

75kdownloads
VexBot
1.21.11fabric

VexBot

Super smart Minecraft bots For PvP In any gamemode.

75kdownloads
RefractionAPI
1.21.1neoforge

RefractionAPI

Refraction is an API for general use purposes.

74kdownloads
Mekanism: Empowered Core
1.20.1forge

Mekanism: Empowered Core

A library mod focused on empowering Mekanism.

74kdownloads
Carpet crit fix
1.21.11fabric

Carpet crit fix

This mod fixes the problem where fake players don't perform critical hits

74kdownloads
SI: Essentials
1.21.11neoforge

SI: Essentials

The main API, library and toolkit by Soncresity Industries.

73kdownloads
Ethecore
1.21.1neoforge

Ethecore

Adds an animation and model system, as well as other utilities.

72kdownloads
Default Components
1.21.1fabric

Default Components

Add, remove and change default item components. Data driven and improved mod support, can modify selected or all items

72kdownloads
Ohmega
1.20.1forge

Ohmega

A modernised and lightweight accessories API for Minecraft

72kdownloads
Roughly Enough Config Screens (RECS)
1.21neoforge

Roughly Enough Config Screens (RECS)

Adds configs screens for library mods such as Forge, and Framework. As well as JEI.

71kdownloads