Minecraft Java 1.21 Mods
Browse 126,992 free mods for Minecraft Java 1.21 — popular picks include Scout (Forked), Crossfrog's Soft Outlines, Sophisticated Backpacks - MT Inventory Weight.
Step by step: How to install Minecraft Java mods & modpacks
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Scout (Forked)
Extending the inventory slots via Satchels.
Crossfrog's Soft Outlines
Pleasant, cartoony colored outlines around objects.
Sophisticated Backpacks - MT Inventory Weight
Accurate MT Inventory Weight support for Sophisticated Backpacks (Unofficial Fabric port), reading real backpack contents via the SB wrapper API.
X-Chat
A plugin to easily manage chat
Multibinding
Make binding more keys than one possible in minecraft!
Resource Remover
Prevent specific resources in resource packs and data packs from being loaded by the game.
3Dgun
replacing a crossbow with a revolver
Diagenesis
Overhaul of ore vein and rock generation by making ore veins rarer but much larger and adding additional strategy to mining.
BagelSMP optimizer
Official modpack for the server BagelSMP.
CommandMaker
A minecraft plugin for adding simple custom commands to the game
Spawnersilk
Mine spawners with silk touch / Spawner Management

SignEdit for Bukkit
Enhanced tools to edit existing Bukkit signs. This is a fork of Omel's SignEdit with improved functionality.
meteorbee's lances
Turns the spear into a lance! :D
SafeInvisKills
This plugin makes it so that if you are invisible and kill someone your name is not shared to the server by showing a muddled name.
Cobblemon: Wild Catch
The only Cobblemon modpack you will ever need! Enhance your Cobblemon experience!
Quickmark
A mod that adds the teams and mark system from Fortnite
Spyglass Deluxe!
A brand new vanilla-like Spyglass model, it also changes the Spyglass scope!
Сolorful Generic Particles
Replaces the outdated particle with one that resembles campfire smoke.
Simple Item Frames
Simplifies item frame model, can reduce FPS drops caused by Item Frames.

⚙Golem Toys⚙
Adds copper golem plushies/toys without replacing the copper golem statue block, replacing only the item version of it

Winter of Making
An economy mod which uses snowflakes as the currency and has 8 shop items which are all very interesting! Maybe OP too...
WATERFrAMES: Create Integration
Rework recipes from WATERFrAMES to use crafting ingredients from Create
Increased Mob Spawn Amount
Increases the amount of spawned mobs
LotaCraft: Lotaria
Lotaria is a forgotten land where a mysterious girl named 'Lo' once fell from the skies. Its yuur time to uncover the truth behind the 'Fallens' and explore numerous secrets, quests, and NPCs each featuring their own self-written dialogue. This is Lotaria.
NeoStorage
This is a simple mod that adds a storage to save space in chests
ServerMaintenance [1.21.x - 26.x]
Adds maintenance to let you actually do your work in peace
Fountain Of End
This Fountain Of End is Called Enderlings...
VanishIUM - Next-Gen Vanish Plugin with Animations, GUI & Power Tools
VanishIUM is a customizable vanish plugin with animations, GUI, and advanced visibility options.
AquaCraft
Adds foods, weapons, tools, armors and ores!
The Great Egg Hunt | Search and collect easter eggs [1.21.+]
Egg, Hunt, Easter, Rewards, Minecraft, Plugin, Event, Collectible, Particle, Minigame, Seasonal, Adv
Erdmen's Beacon
Brand new featured area effect beacon
Valreward
reward
Angelo Achievements
AngeloAchievements is a plugin that allows you to add and customize achievements on your server.
Sit down,plz
This can make you sit at anywhere easily!
Creeper With Arms
This makes the creeper have animated arms!! [REQUIRES OPTIFINE OR SIMILAR]
Animals Fury
Turns all passive mobs against you, making even a walk at daytime dangerous