Minecraft Java 1.21 Mods
Browse 126,573 free mods for Minecraft Java 1.21 — popular picks include Lumora Caves, Tiny Casino, BossReng's UI Mod.
Step by step: How to install Minecraft Java mods & modpacks
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Lumora Caves
A unique spin on the Minecraft x Core Keeper cave world experience.
Tiny Casino
Adds a small casino GUI to Minecraft. Client-side only, does not affect gameplay.
BossReng's UI Mod
Boss_Reng and various Lofi music creators bring you the best visuals and the most comfortable acoustic experience in Minecraft!

Flow Tagger
Open Source clientside mod that displays flowpvp.gg ranks on nametags, tab, & chat
Bare Bones tweaks - Polished Stones to Bricks
Barebones version of VT Polished Stones to Bricks
SmooBack Dark
A smooth and dark menu background using SmooPack colours
Carpet Bot Idle Walking (Carpet Mod)
Allows Any "Carpet Mod Bot" To Walk Around Randomly
Swin's Beehive Counter
Simple client-side mod that shows the exact bee count and honey level in beehive/bee nest item tooltips.
Easy Map Recipes
Changes the map recipe to use paper instead of a compass.

Undertale Weapons
This Project Ads New Undertale Weapons Textures And If Wanna Play Good Luck(:
SyRedEnvelope
Minecraft server red packet plugin (Originally named SyExtract)
swords more like spears
swords but with some twist *gulp*
MC Chat * Discord
Chat on discord from your minecraft chat!
Horror Economy
Post‑apocalyptic horror survival with a hard economy, build a secure base, trade for ammo and gear, and risk losing money on death.
Backpacks1653 ⚡ Virtual & Item Backpacks ✨ Multi Page Storage ⚙️ Cross Server Sync ⛏ Craftable
✨ The ultimate backpack solution for your Minecraft server ✨
SimpleMaterialGenerators[SMG] [Slimefun Addon]
Unofficial 1.21.x port for SMG. New additions for Slimefun!
Sleep Vote
Skip the night democratically: Sleep Vote replaces the vanilla sleep mechanic with a server-wide voting system. Right click a bed at night to start a vote, and if the majority agrees, the night is skipped for everyone.
UnsoulExploits
A Plugin That Tries To Fix Current Exploits.
Enchantment Upgrade
Adjust the maximum level of enchantments to 255!
EarthMC Chat Tools
This is a client-side mod for playing on the server EarthMC, which blocks certain messages like advertising, so your chat flow is better
halfInventory
Tired of Loosing all your items? Dont want to cheat using keep inventory? Keep 50% of your items and your tools
Fully Foliage!
Adds over 40 new plants to MINECRAFT, along with three woodsets, and more!
Resourceful Sheep
A customizable mod that turns sheep into walking resource generators.
ARM-HandModifi
This mod enables full customization of Minecraft character hands, letting players precisely adjust their position, size, blending (X/Y/Z), and rotation in 3D space to suit their preferences.
CartCounter
Customizable TNT minecart counter in inventory.
yellow loading screen -ArcT1k0
This project changes the vanilla loading screen to a nice muted yellow colour
PND's Dungeon Essentials
A 1.21 skyblock modpack based soley for dungeons!
CasterOS
CasterOS is a cross-platform Minecraft magic plugin for Paper and Sponge servers. It features immersive spell casting, dynamic magic mode, and easy spell management with YAML files—making it simple to customize and expand your server’s magical experience.
Farmland World
The world generator adds endless farmlands
F1 2021 Trophy Pack
A Minecraft resource pack featuring the official Formula 1 Grand Prix trophies from the 2021 season
Pop!
This plugin adds a pop sound effect when a player logs in our out.
Tony Fox
resource pack that just adds random deltarune jokes
My Take On Vanilla+ (Lite)
Vanilla Minecraft, just smoother, prettier, and more immersive.
Rainbow Fireworks!
A vanilla twist on fireworks, making them rainbow!
Mystical Trees
Adds Resourceful Trees for more than 15+ vanilla & modded materials! (HEAVY BETA RIGHT NOW)
Cheapslate
Instant-mine deepslate with Efficiency 5, Haste 2, Netherite Pickaxe!