Quilt Mods for Minecraft 1.21
Browse 325 free Quilt mods for Minecraft 1.21 — popular picks include Abstract Operations, easierworldcreator, OpenLink Frpc API.
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Abstract Operations
Json <-> NBT interchange library
easierworldcreator
library mod that help you creating features by generating 3d shapes
OpenLink Frpc API
An API that provides Frpc interface for developers to use. You can simply provide a frp service for the mod OpenLink.
Item Commander
A simple Serverside Fabric mod that allows you to assign commands to Item(Stacks)
Modern Inline
A compatible mod for Modern UI and Inline.
Twitch4J
Twitch4J packed as a Fabric mod
Hammer2
this mod adds armor to all types of armor and armor is in cobblestone en wood and the mod need geckolib to work
craftable Sponge Tweak
Allows players to craft sponges instead of only finding them in ocean monuments. Mod
Lucky Break
Craft or find a naturally spawning Lucky Block that unleashes unpredictable rewards, chaos, and powerful lucky gear every time you break one.
Dragon Egg Craft tweak
Adds ability to duplicate dragon egg
Health Enchantment
New enchantment that, when applied to armor, lets you get more health.
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.
Economy for Fabric
The Economy API for Fabric
GroovyDuvet
Language adapter and wrapper libraries for Groovy mods on Fabric and Quilt

Nixienaut
A common code Library.
Quilt Tag Plus
This mod adds several tags to improve the control of some basic Minecraft features.
Packwiz Modpack Loader
Loads and (auto) updates Packwiz Modpacks.
Craftable Hourse iteams
this mod allows to craft saddle and armors for horse
Plushables Lite
Blazing-fast, dependency-free Plushables, stripped down to core features
TimeCore - Calendar
Library mod that handles Minecraft's extremely inconsistent day time.
advancedchatcore-next
Continued version of DarkKronicle AdvancedChatCore
(ARCHIVED) EnchantedBookLib
A Fabric and NeoForge library mod which tries to make multiplatform just a bit easier (and mostly for my mods).
Easy Model Entities
Turn Blockbench models into simple Minecraft entities without writing Java code.
Virtual Motion Capture for Minecraft
Gives your Minecraft client the power to send VMC protocol data for vtuber models.
env.json
A small FabricMC library allowing to convert an `env.json` file into a Java Object. It is mostly used by Environment Driven Assets and Environment Driven Data.
Environment Driven Assets
Environment Driven Assets is a FabricMC mod which implements the env.json library in order to apply it on vanilla asset types.
Datamancer
The must have tool for datapack developers and command block enthusiasts! This mod will accelerate your development process.
Villager Job Tools
Client-only. Reroll any villager's trades (break/place their job site block) until wanted offers appear. Trades Finder, Auto Buy, Auto Sell. Keybinds: K = menu, R = start/stop.
Biome Squisher
A library mod for adding biomes by "squishing" other biomes out of the way
Trident craft tweak
easy trident craft

NovoAtlas
A data-driven image based world generator for Minecraft.
Ai Friend(Companion)
Adds an intelligent AI companion to your world that interacts with you while you play. The AI can chat, respond to events, and keep you company during your adventures, making singleplayer gameplay more engaging and immersive.
Quill Notifications
A small Library mod to handle sending notifications to players both online and offline with style!
TLA Api
An abstraction layer over recipe viewer apis for minecraft.

ActionLib
Lib that Register HoverEvent.Action
KubeJS CSV
Add CSV parse/read/write support for KubeJS