Quilt Mods for Minecraft 1.21
Browse 326 free Quilt mods for Minecraft 1.21 — popular picks include EMIffect (Status Effects EMI Plugin), Idwtialsimmoedm, PAUCAL.
Updated daily
EMIffect (Status Effects EMI Plugin)
EMI addon that appends status effects in EMI and provides information about each status effect.
Idwtialsimmoedm
I didn't want to install a library so I made my own Enchantment Descriptions mod
PAUCAL
Petrak@'s Assorted, Useful Collection of Assistance Library.
Iris/Oculus Shader Folder
A mod to hide, recolor, add tooltips, and reorder shaderpacks in the Iris/Oculus shaders menu using flexible patterns. THIS IS NOT A SHADER LOADER
UnionLib
A library mod for all my mods
Dynamic Asset Generator
Library mod for dynamically generating assets at runtime.
GPUBooster
Provides DSA & fastest math formulas to game render system for best perfomance! Compatible with Sodium/Embeddium, Iris and shaders.
Revelationary
Data Driven Block and Item Revelation system. Discover as you go!
DashLoader
Launch at the speed at light.
RunicLib
RunicLib is a library for Azurune mods that adds MultiLoader utils and attributes/effects for utilization.
Lavender API
A Guidebook API and alternative to Patchouli
Satin API
A Fabric library to help modders with shader usage
Shield Lib
Library for easily adding shields with banner support, enchantment support, events, & custom shapes without conflicts!
JinxedLib
JinxedLib is a library designed to provide tools for multi-loader and mod pack developers.
Berezka's library
this mod allows to generate json files in code, adds custom structure type, custom structure placement type, provides overlap fix, some methods for my mods and loot-tables
Polymer
Library for creating better server side content!
Faewulf's Lib
A library mod that provides utility functions and methods commonly used across my (Faewulf) mods.
StateObserver
A library for observing state changes.

Antique Atlas 4
A hand-drawn clientside world map, with map sharing, structure discovery, and less! A map frontend for Surveyor based on hunternif's Antique Atlas.
Lavender
A Guidebook API and alternative to Patchouli
The Impossible LIbrary
A library mod that makes the impossible possible in Minecraft
Beautified Chat [Client]
💬 A highly configurable mod to change the chat style and colour on the client.
Simple Discord Link Bot
A simple to use discord-minecraft/vice versa chat link bot with advanced features
Iris & Oculus Search
A mod that adds a search bar to Iris and Oculus to quickly find and filter shader settings and shaderpacks.
Sherds API (NeoForge/Fabric/Quilt)
Makes adding new pottery sherds easier
Quad
Tags, More of them. Giving you more Power
Ledger
A serverside logging mod.
CraftedCore
Another API mod
Easy NPC: Core
Provides the core functionallity for the Easy NPC mod.
BoxLib
A client-side library mod with tons of features to do all the heavy lifting for all client-side mod developers.
Factory API
An API that supports different mod loaders and is the basis of mods like Factocrafty
Inline
a mod for inline text rendering
Sparkweave Engine
Library to share code and functionality between projects
CobbleGen [Fabric/(Neo)Forge]
Customize (and randomize) cobblestone generators
MC VR API
An API that allows mods to interoperate with Vivecraft
ColorBlindness
Potion effects that simulate color blindness (Forge, NeoForge, Fabric, Quilt)