Mods for Minecraft Java
Browse 8,873 free mods for Minecraft Java — popular picks include Appli, Televator, DS Dragonborn lib.
Step by step: How to install Minecraft Java mods & modpacks
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Appli
Phantom's extension to A Power Library (the name stands for A Phantom Power Library, original I know). Appli is an addon mod to Apoli, a mod adding a data-driven power system.
Televator
A server-side elevator mod for Fabric using Polymer library
DS Dragonborn lib
An addon for dragonsurvival that allows the use of the playermodel for custom species.
Cape Provider X (also PiCapes Mod)
Fork of Cape Provider Mod with upgrades by xsyanic and extended providers (PiCapes, Cosmetica, SkinMC, etc.)

Simple Registry Aliases
Exposing Fabric API's registry aliasing in a simple, config driven way.
Suxen Lib
Library with generic classes for mod creation. Needed for some Alfomega_Luos's mods
Hex Text
HexText adds RGB Colors, Outlines and new Formatting to Minecraft 1.7.10
Automatic Chat Translator
Automatically translate incoming and outgoing chat messages in minecraft
MapleCrafted
The MapleCrafted mod adds in the realm of MapleStory to Minecraft.
EpicGuard
Bot protection system for Minecraft servers and proxies
Collectively
Collectively is a simple library needed for older Collective's mods

Hexpose
A library addon for Hexcasting that adds many scrying patterns and iotas for other addons to use
Easier World Creator (ewc)
library mod mostly designed for world-gen
Material Lib
A material library making it that much easier to add vanilla-style materials to Minecraft.
Ragnamod VII Core
Core mod for Ragnamod VII to fix some issues
Lusk
Modern, user-friendly skript addon, perfect for beginners and experienced developers.
VS2 for Complete Config
A version of Valkyrien Skies 2 that is compatible with Complete Config and any mods that use it.
Nova
server-side modding framework for paper
blockbench import library
This library simplifies model import, generates item models & textures, and leverages polymer for resource pack creation. Supports animations, Molang expressions, and various Blockbench features.
EpicFight-Light-Trail
A particle-type mod with added lighting trails
Roughly Enough Config Screens
Adds configs screens for library mods such as Forge, and Framework.
Ray Trace Library
For more, than one hitbox blocks
SynapseLib
A Minecraft library for making some aspects of development easier.
Moonlight Core
Moonlight Core is a layer abstraction of Minecraft mod loaders that is aimed to help with multi-loader mod development giving developers utilities for their mods.
Font Fixer
Fixes the Font Renderer in legacy Minecraft
Contraption Lights (Bi-directional Coloured Dynamic Lights)
Adds coloured dynamic lights that move with your Create contraptions and Sable sub-levels, flowing both ways between your builds and the world.
Berezka API for Nolando StructureZ
This mod adds config to Nolando StructureZ mod
Potion API
API mod that supports various potions.
Mine-Strap
Minecraft Website Framework designed for easy & powerful results!
TelluriumForge
Library mod for Miki Tellurium mods

kiluho's Keystrokes
Worlds most advanced and user-customizable keystrokes mod
Burning
A library mod to access and transfer the burning fuel between furnace-like blocks of all mods.
FastXP+
A simple client-side optimization mod that allows you to throw XP bottles instantly and fast by just holding down the right-click.
HoloDisplays
A powerful packet-based hologram system built with Minecraft's display entities for better performance and flexibility.
Pebble's Cosmetic Render API
Renderer API to allow for certain cosmetic slots using Trinkets Polymer port to render client-side for people running it.
Virtual Library
Virtual Library is a collection and api for building mods. it comes with mixins, a shader plugin, a keybind library, a config loader, a command library, an in memory plugin loader and a rendering library.