Minecraft Java 1.21 Mods
Browse 345 free mods for Minecraft Java 1.21 — popular picks include Zhengels's additions, Golem Gear, Aquatic Plugin.
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Zhengels's additions
This mod adds vanilla+ stuff and fixes some minecraft's flaws.
Golem Gear
A Mod themed off of Iron Golems. The mod adds many features such as golem blocks, golem ores, golem tools, and much more!
Aquatic Plugin
This is a Minecraft Plugin wich adds many Ocean and Fish releated things to Minecraft
Garden Depths
Adds new interesting features to Minecraft's Pale Garden.
Desolation: Reburn
Adds the charred forest, a spoooooooky biome to the Overworld!
Canadian Content
Beavers and moose with unique behaviours, cooking pot for crafting new foods, tapping trees for maple syrup, thermos for better soup
Bizarre West
Face the bizarre world of wild west
Still Chopper
Still Chopper is a standalone physical tree-felling runtime for the Still platform. Chopper makes small and medium trees fall into physical fallen-log reconstructions while preserving support
TerraTrees
A Plugin to spawn Terra structures for trees instead of vanilla ones
NeoPasterDream
Also known as the NewPasterDream, it is a port of the original mod to the 1.21.1 NEO loader, and has been restructured to make it more oriented towards adventure themes.

Yumecraft
A mod that adds liminal dimensions to your minecraft world. Inspired by Yume Nikki & 2kki.
G1axFixer
G1axFixer is a client-side Fabric mod that fixes resource pack crashes and optimizes network, rendering, and ticking for maximum FPS and smooth combat.
Abysm
Something stirs in the depths. Its call demands an answer.
Jungle Update
Mod has been merged! - https://modrinth.com/mod/jaizmod This is to keep the work load down for myself, and keep updates coming! Adds new jungle related features
Foul Service - Orchard Pack
Pale garden is a quite scary place, yet very serene. What if there was another place just as serene but friendly?
OraxenNature
OraxenNature introduces a simple way to populate your world with your Oraxen blocks.
Calcite Crafting Recipes
Vanilla/survival friendly ways of obtaining calcite by crafting and smelting.
Aligning Scepters
A mod adding magic with scepters into minecraft, Divine Intervention, adds weapons and magic of mass amounts and variations.
Bignay
A lightweight mod that adds missing blocks, items and other features to improve your Minecraft experience.
Canopy
Adds rainforests to Minecraft including 3 new biomes, rainforest mobs and more!
Desolate Pale Garden
A datapack which removes all hostile mob spawns in the Pale Garden except the Creaking, which adds to the ambiance of the biome!
Revolve
Bring Minecraft’s Sun and Moon to Life!
Nyoldarria
Game expansion mod, intended on adding a lot of new content and a somewhat separate and unique gameplay experience.
Frankenstein Zombie
Expands zombies by adding a cemetery structure where a frankestein zombie can be created and leveled up. Additionally 4 new zombie types have been added
Mobo's Structures
Pirate Ships! Castles! Dungeons! Towers and More! If you're an explorer, this datapack is for YOU!
XL-mod
This mod adds weapons and bioms!
Arts & Crafts x Nature's Spirit
This mod adds integration features for Arts & Crafts and Nature's Spirit for a smooth gameplay experience!
NitroPlots
The Best & Newest Plotsquared Addon with Borders ✔️ Walls✔️ Member Settings✔️Flags✔️ Biomes & more!

Azurite/Bluewood mods
此模组简称A/B ms|This module is referred to as A/B ms 此模组现已全部完成!(后续会根据反馈的问题进行整改) This mod is now complete! (Rectification will be made according to the feedback in the future)
Explorers SMP Datapack
Datapack for minecraft that implements naturally generating structures containing early-game items, OP loot and a bit of lore to minecraft.
Liquid Portals
The mod adds a new Portal liquid to Minecraft. Also bottles of portals, and splash portal potions. The mod also includes tons of configs and a new music disc. This was originally made for my personal modpack to replace immersive Portals dim stack.
Help Me Hardcore
Help Me Hardcore Adds All Kinds of Extra Challenges from Community Ideas to Full-Themed Updates for Your Hardcore Worlds or Even Hardcore SMP Servers!
Random Junk
A mod filled to the brim with random meme features
Wealizh
An industrial-themed mod with imagination, featuring various minerals and machinery
Dirt Slab
Fully functional half blocks of dirt (+ World Gen!)
Soggy Swamps
Adds new items, blocks, and structures to the swamp