Fabric Mods for Minecraft 1.20
Browse 104 free Fabric mods for Minecraft 1.20 — popular picks include MECHA - Multiple Entity Collision Hitboxes API, Vanilla Tweaker, RPG Damage Overhaul(RPGDO).
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MECHA - Multiple Entity Collision Hitboxes API
Fabric API for implementing multiple collider hitboxes for a single entity
Vanilla Tweaker
Configurable Vanilla Tweaks.
RPG Damage Overhaul(RPGDO)
RPGDO is a complete overhaul to minecraft's damage system, adding damage types with unique passives for each attack and resistances for each mob.
anti's Better Combat Overhauls
ABCO is a mod designed to add many features to Better Combat necessary to make it a truly engaging combat experience.
Cataclysmic Tree
Catacylsmic Tree is modified on original Arcwise - Puffish Skill Tree mod and is made for the Catacylsmic Modpack by request of Akio.
AspectsLib
Library mod that adds data-driven Aspects from Thaumcraft, allowing to attach Aspects to entities and create unique interactions between them.

quirl
A multi-loader multi-version library mod.
ConsumableChemicals
A library mod provides functionality for chemicals to be tracked in the player.

HealthNFoodTweaker
A configurable Fabric mod that makes health regeneration slower and cheaper and optionally introduces passive hunger.
Voile
An addon for Apoli to provide more functionality
URLium
Transmit redstone and block state data over HTTP(S) to a webserver with this Polymer Library server-side mod. Get data from the Post Wand on any block, or Config Wand to turn Containers, Lecterns, Detectors, Signs, and more - into HTTP-reporting blocks!
Lxnya's Infinite Stacks
A customizable stacking mod created with Ai,from Lxnya

Capped
A small currency mod for your servers and roleplay servers!
Awake API
A powerful API for implementing LLM oriented AI features into Minecraft!
worldedit terrain
this addon to worldedit allows you to make easy terrain with one command just do //terrain <noise pattern> <height> <scale> <octaves> <roughness> <block> worldedit is required
Made In China
A minecraft mod make items harder than before.
Bits & Chisel's FIX (Patcher)
A Patch fixing frequent lag-spike's during the usage of the unofficial Bits & Chisel's (FABRIC) Mod.
Packets+
Simple Minecraft library for packet/networking events and tracking
Stack Follies
Items and stack related tomfooleries, mostly for mod and modpack dev
NeuraCraft
A mod that adds an AI chatbot, bringing you a novel gaming experience—play while chatting with the AI during gameplay!
Ritual thingy
A mod for creating data-driven summoning rituals
Material Json
Makes tool & armour materials changeable through datapacks.
Munchables
A simple, light-weight, and data-driven API for adjusting eat times in Minecraft!
NoJumpDelay+
A lightweight Fabric mod that removes the hardcoded jump delay in Minecraft, allowing for continuous and fluid jumping.
The Spell Library
A code-driven library that provides developer-friendly utilities. It serves as a solid foundation for creating highly customizable spells and rituals.
Luafy
Adding the Lua Scripting language to datapacks
Better Datapacks
Increases the scope of what can be done with a datapack.
CrafterEarly
Port the Crafter from Minecraft 1.21 to Minecraft 1.20.1, with compatibility for schematics and world save upgrades.
Daisy SMP Powers
Powers for origins in Daisy SMP
Chromosome Lib
Introduces genetic mechanisms for entities in Minecraft
Fluid Levels
Designed for technical Minecraft players working with fluid mechanics. See water and lava levels directly in-world without the F3 menu. Source blocks show "S", flowing blocks show their level (8 down to 1). Toggle with F7.
Deano's Origin Modifications
dependency made by me (hihihi :3) for the Deano's Origins mod made by Deano7497 (go look at him this mod won't work without it and his mod wont work without this one lol)
Juix Resources (mod version)
Mod enabling Juix datapacks' custom textures
Animal Food Tags
Change what food animals will eat to fall in love and breed, using datapack item tags.

CurieAPI
A Simple API to handle all kinds of radiation.
Zyntra
Zyntra is a Fabric Minecraft mod that turns your game into a server management hub with an integrated dashboard to create, control, and monitor servers through a fast and modern interface.