Minecraft Java 1.21 Mods
Browse 108,514 free mods for Minecraft Java 1.21 — popular picks include FTB Filter System, Additional Enchanted Miner, TerraBlender (Fabric).
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FTB Filter System
FTB Filter System (aka FFS) is a powerful item filtering mod with friendly GUI editing
Additional Enchanted Miner
add advanced enchant-able mining machines
TerraBlender (Fabric)
A library mod for adding biomes in a simple and compatible manner!
Uppers
Upside-Down Hoppers
Polymorphic Energistics
Polymorph support for Applied Energistics 2.
Chicken Chunks 1.8.+
Chunk load all the chunks with the power of chicken!
Inventory Profiles Next
Take control over you inventory. Sort. Move matching Items. Throw all. Locked slots. Gear sets! And much more.
Dark Mode Everywhere
Have dark GUIs everywhere with the power of shaders
It's the little things
Enable changing of the minecraft icon, title, and adds other little options. Allows adding a dedicated server to the modpack
All The Tweaks
Collection of pack specific tweaks for ATM5/ATM-SliceOfPi/ATM6
Dank Storage
Big storage in little blocks
Presence Footsteps (Forge)
An unofficial port of Presence Footsteps from Fabric to Forge
(Sodium) Chloride
Gives to Embeddium (1.20.1) and Sodium additional Performance and Quality features for a tasteful experience
Embeddium (Rubidium) Extra
Port of Sodium Extra to work with Embeddium/Rubidium on (Neo)Forge
Immersive Armors
A lot of unique and vanilla-faithful armor sets.
Moonlight Lib
dynamic data pack and registration, villager activities, custom map marker and a lot more
bad packets
Bad Packets allows packet messaging between different modding platforms.
Quark Oddities
An addon to Quark containing thoughtfully designed features for players to build around
Paragliders
BotW style Paraglider
EnderTanks
Public, Personal, and Team EnderTanks and EnderBuckets
Cardinal Components API
API for data-driven content
Not Enough Wands
Adds various very configurable utility wands to Minecraft
Pylons
Just another magic block mod
AllTheCompressed
adds several compressed versions of blocks

Presence Footsteps
..An Overly complicated Sound Mod...
FTB Library (Fabric)
Common code for all GUI stuff in FTB Mods. Component/layer based GUI creation. Used by mods such as FTB Chunks, FTB Quests, etc. (Fabric version)
AE2 Things [Forge]
Introduces a new Cell type, advanced inscriber and crystal growth chamber
More Red
Redstone wires and logic gates and item tubes!
Create: Central Kitchen
Automatic Kitchen Work & Integration
The Bumblezone (NeoForge/Forge)
An unBEElievable dimension full of bees to BEEfriend!
Potions Master
Expanding on Minecraft Potions
Zombie Awareness
- Smarter more aware zombies (and skeletons), they track you down via blood scent, sound, and light source awareness
Project Red - Expansion
Expansion module for Project Red series
Pam's HarvestCraft 2 - Food Core
Adds 180ish new foods based on vanilla Minecraft ingredients (all new textures for everything to feel better with Vanilla textures!!!)
Cable Tiers
Adds better Exporter, Importer, Constructor, Destructor, Disk Interface, Autocrafter, Interface, Requester from Refined Storage and RSRequestify
Incendium
New biomes and structures with the vanilla blocks! (1.18+)