Minecraft Java 1.21 Mods
Browse 132,350 free mods for Minecraft Java 1.21 — popular picks include Wooden Tools Upgrade , Beta-Like Jappa Cobbles, Lattice API.
Step by step: How to install Minecraft Java mods & modpacks
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Wooden Tools Upgrade
This datapack adds variants to Wooden Tools, as well as different Lymph types dropped from tree logs to encourage biome exploration.
Beta-Like Jappa Cobbles
This project "reverse engineers" Cobblestone, Mossy Cobblestone, and Cobbled Deepslate using the methods Notch used to create Beta 1.7+ Cobblestone.
Lattice API
Lattice API is a lightweight NeoForge modding framework that removes boilerplate and streamlines content creation. It provides simple, unified tools for registering blocks, items, tags and more!
FlameHomes
FlameHomes is the flagship plugin of a free, open-source suite designed to provide server owners with powerful and lightweight versions of every essential Minecraft server utility.
Pretty Scary Horrors
Just a pretty scary modpack(not)
Holographics Display Reborn [BETA]
Reborn, holograms
eCustomCrafts
A lightweight Bukkit/PaperMC plugin for adding custom crafts using a simple config.yml configuration.
True Gamer Mode
Experience the true gamers dreams. Well... nightmares.
Kiwi Paintings
Replaces the vanilla painting textures with Kiwi's cute paintings. It's that simple and hope you will like it.
Frost Arrows│寒凍之箭
Feel the icy arrows; Strays' attacks will now freeze you.│感受冰冷的箭矢,現在流髑的攻擊將冰凍你。
unlimited craft
adds more progression elements
DailyRewards – Daily, Weekly Reward System
daily rewards, daily login, weekly rewards, minecraft rewards, login streak, streak
June's Surival+
June's Survival+ (JS+) is a multiplayer-friendly modpack for the latest Minecraft version with visual upgrades, performance boosts, and quality-of-life tweaks.
auto responser
AI-based auto responder
xArenaReset – Ultimate Arena Reset & Management Plugin
Define, save, and instantly reset arenas with powerful tools and blazing-fast performance.
Funk Universo Mod
Mod created by the original owner of the viral track "Funk universo"

Fenn's Block Chests
Updates the outdated chest texture while also bringing back the classic full block look!
Craft A Saddle
This mod lets you craft a saddle
ObsidianAuctions
A chat based auction Minecraft plugin for 1.12-1.21.10
Item Bundling
This mod allows for the bundling of various items and blocks to save storage space.
CWNN
(CWNN)Industrial oriented lightweight integration package, you can experience various industrial modules

Custom Goat Horn Instruments (Example Pack)
a datapack / resource pack that adds all the files you need to create custom goat horn instruments in 1.21.4
Vanilla Plus Machines
This mod adds some basic Machines, which are Vanilla style Friendly.
Mellurboo's ReallyTPA
🎀A simple yet practical TPA Plugin for modern Minecraft, including balancing features and modularity!
Skript | ModelEngine Model Show (TH/EN)
Show the model to the players.
Ultimate Stairs Mod
This mod adds a long named version of Waxed Weathered Cut Copper Stairs. Good luck to craft it in suvival.
Pictostudio - WRR
A datapack that adds more balanced wood recipes to the game. At least in my opinion.
SpaceFlaresX / EnvoysX - Extremely Configurable! [Recoded]
A plugin that adds summonable supply crates to Minecraft.
SciFy
A Dungeonfy mod so good you'll think it's science fiction.
FreddiesWeapons ⭕ ItemsAdder ADDON ⭐
Meele Weapons Addon for ItemsAdder
Better Cobblestone Generator
A plugin that improves the cobblestone generator by adding new blocks!
Compact Honeycomb
Changes the honeycomb block craft and let's you decraft it back into honeycombs.
Break Block Spawn Random Structure
Minecraft 1.21.1 | Java Edition Create a datapack where breaking any block randomly spawns a structure at the broken-block location. Structures: Houses, farms, towers, villages, castles, mansions, temples, mineshafts, ruined portals, Ancient Cities, End
Create: Fast Drains
Adds options for Bulk Processing item on Item Drain blocks.
STAYshifted
removes unshift when u press t while shifted
Crimson Nebula
Crimson Nebula gives Minecraft's night sky a powerful crimson appearance, making every evening feel intense and unforgettable.