Minecraft Java 1.21 Mods
Browse 22,236 free mods for Minecraft Java 1.21 — popular picks include /velocity, Sugar doubles, logCaptcha.
Step by step: How to install Minecraft Java mods & modpacks
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/velocity
Adds a command to manage entities' velocity
Sugar doubles
A recreation of the datapack used in NewKiddo’s “sugar doubles” series
logCaptcha
Protect your server against bots with logCaptcha!
Death Coin Mod
A mod that allows you to retrive your dropped items after death. May be used as an alternative to keep inventory.
Nations Odyssey Skill Tree
The skill tree from the Nations Odyssey modpack!
PIN Safe
The plugin that adds storage and uses a PIN code for security.
HandOver
Easier way to give an item
Zombies are Zombie Villagers
All zombies will spawn as zombie villagers instead
Swinging Car
A car on a mountain peak with real balance physics: tilts under your weight, repairs in strict order, seagull nests and a garden under the bumper.
Geyser Extras Fork
This is a fork of Geyser Extras for the new version.
Create: Extended Filters
Simple create addon that adds more filters settings
Progression Re-Envisioned
Changes the progression enough to be understandable but interesting. Also adds fun trinkets to mess with and QOL Improvements.
Packs Shop
Manange donate/shop packs (case) with animation and full customization
RPG Lore
A data-driven lore book mod for Minecraft Forge 1.20.1. Define custom books via simple JSON files and have them drop from mobs based on configurable conditions.
Plot Armor
Grants players the ability to never die! All lethal damage will leave them on 0.5 hearts
J.A.R.V.I.S. - The Ultimate AI Assistant
A sleek, Jarvis-themed assistant for Minecraft. Retrieve items, toggle flight, and control the weather using natural English commands and immersive sound effects.
Enchanting
Fixes the Vanilla enchanting system with many configurable tweaks.
Bats and Wolves
A Minecraft Datapack about Vampires and Werewolves
Galacticrow Additions
A mod that adds building blocks and unique tools for you to use.
Keep Illegal Blocks
Prevent illegal blocks from breaking or being updated when a player interacts with an adjacent block
Ultimate Moves
I took ultimate moves from the roblox game The Strongest Battlegrounds and tried to implement them into Minecraft
Hollowing Demise
Dead players become spirits with healing mechanics inspired by Hollow Knight.
Golems of Qin Shi
Golems of Qin Shi (GolemsOQS) brings your Copper Golem to life as a loyal, practical little companion that actually helps.

Loot Table Inserter
This project adds a Loot Table Inserter item. Catered to minecraft developers who make custom structures.
helmod
The project here is a project made using Player.Games. It adds the ability for a MySQL style database with the ability to pull and receive from the database the following stats. "Shiny rates" "Catch Rates with all pokeballs." and "Experience Rates"
All The Potions
Adds a potion for (almost) all of the effects in the game and allows you to mix them.
AdvancedMute
AdvancedMute is a Minecraft plugin that detects banned words and mutes players. It can also send logs to Discord and has support for AdvancedBans and LiteBans.
NoCollisions
A datapack that removes collisions.
how low can you go
Rewards you for going deeper in the world with increase spawn rate of ore except diamonds
Death SFX & Particles!
This datapack adds Customizable Sound Effects & Particle Effects when you die! 1.21-1.21.10
VIRUS IN RED
Adds infection to Minecraft: food, items, and blocks can be dangerous. Players go through 4 stages of illness, but special potions and blocks can cure it.

Regen Food on Sleep
Sleeping now replenishes your hunger bar
AntiModplugin
"This plugin is designed as an Anti-Mod system to prevent unauthorized or non-approved mods from being used on the server.
Anything Blocks
Minecraft mod that lets players convert various items - from materials to food - into blocks. Its main purpose is compact storage, saving space and simplifying resource management.
ApocalypseMode
Bring the zombie apocalypse to life with immersive infection mechanics.
DualWieldCombat
DualWieldCombat is a Bukkit/Paper plugin for Minecraft 1.21.4–1.21.5 that enables true dual wielding in PvP by allowing players to attack alternately with their main hand (left-click) and offhand (right-click)