Minecraft Java 1.21 Mods
Browse 128,886 free mods for Minecraft Java 1.21 — popular picks include Progression Reshuffled, Panoramic Backround, TotemAlert.
Step by step: How to install Minecraft Java mods & modpacks
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Progression Reshuffled
A mod that focuses on reworking Minecraft's Progression, from Mob Tweaks to Tool Rebalancing
Panoramic Backround
The ability to take a screenshot in game and easily set it as your backround.
TotemAlert
TotemAlert is a fantastic mode ( best for crystal pvp ) that alerts you when you run out of totem in your off-hand by sending text in your action bar and with a beep
If Crafting Had Consequences
This project adds consequences to crafting recipes, which ranges from turning a pickaxe into a giant wooden plank pickaxe, turning an ordinary iron sword into the most powerful weapon in the game.
OnlyC418 Music
Adds all C418 tracks to Minecraft while removing Lena Raine's and other modern soundtrack additions, bringing back the classic nostalgic experience.

Mine and Destroy Recipes
More recipes for items that you cant craft

Reflect Upon Yourself
Brings Terraria's Iconic Magic Mirror to Minecraft!
Everybody Loves: Frogs
Because everybody loves, and everybody loves frogs!

GtC's Animated Ideas
A mod based on the Youtube Shorts series "Animating your Minecraft Ideas" by GarrettTheCarrot
Drop Guard
A Mod For Hypixel Skyblock That Stops You From Dropping Items Unless Your In The Inventory
Rype's Auto Item Rename+Auction Seller
Automatically rename and sell large amounts of items with a single command. This mod is made especially for LifeStealSMP.com players, helping automate repetitive renaming and auction house selling tasks with configurable speeds and simple controls.

AriKeys Continued
Fork of AriKeys for moden versions. AriKeys is a client-side mod for Minecraft, which allows your client to receive and send keypresses between servers using the AriKeys plugin.
Biome Roulette
A Mod That Gives You Random Effects Per Biome.
FoxMOD
FoxMOD is a community driven mod that adds all the features, blocks, and crafting recipies Mojang won't. instead of me adding it all, you guys on Modrinth will request a feature to be added.
Sonic Shrieker
This plugin adds a powerful Sonic Shrieker item to the game, allowing players to unleash a devastating Warden sonic boom.
Aeroships
Helpful mods for the Aeronautics mod.
JAF (Just A Few)
A Vanilla+ Modpack with a heavy focus on exploration, attempting to utilize underrated mods.
Sigil [CUSTOM RANKS, NO RESOURCEPACK]
itemsadder ranks, base64, minimessage, skript, tab, adventure
Build undo
Build Undo adds a safe undo and redo system for accidental block placements in Minecraft.
Hide and Seek with 1Cuddlepup
Hide and Seek with 1Cuddlepup. a simple fabric server with Hide and Seek enabled for 1Cuddlepup's Twitch server
SyntexLabs | BanSystem
A high performance ban-management plugin
VanillaPvP
A vanilla based PvP pack to keep the vanilla feel as well as that PvP style!
KrupicovaKase's Map Utils
Collection of utilities to help map makers
Constant Spawning Slimes
Allows slimes to spawn in swamps 24/7 at normal vanilla rates by bypassing daytime and new moon limits, featuring full spawn-proofing support and a cheat-free chat toggle.

Wall note
The mod adds Wall Notes!
Skill Tree Buff
We've improved the base stats of Skill Tree (RPG Series) and More RPG Classes - Skill Tree to make players much stronger!
Simple Parties
Modern party plugin for Paper servers with invites, party chat, roles, public browser, warps, homes, leveling, and social integrations.
LoloRP Mod
This project adds two new ores and a brand new sword...
Server rules command
A server side mod that adds a /rules command. Compleaty configurable.
Ender Mace Mod by Kurzer
Ender Mace – a legendary weapon for Minecraft 1.21.1 (Fabric). It deals ~12 damage, has 2500 durability, and unique effects
Remarxk's Mechanical Spawner
Added a Mechanical Spawner in the stress spawn mob.
KeepBody
KeepBody is a plugin that prevents players from disappearing when they log out.(Rust Like)
Voice Command
Control Minecraft with only your voice

Better Destroy Stages
Enhance your mining experience with color-coded destroy stages.
World Bound
You're in a shrinking world, and your goal is to kill the dragon!
OpenPaC BlueMap - Updated
This mod will show land claims from the Open Parties and Claims mod in the maps from the BlueMap mod.