Minecraft Java 1.21 Mods
Browse 21,941 free mods for Minecraft Java 1.21 — popular picks include Learn From Your Deeds!, Not Coldown, Fast Paths.
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Learn From Your Deeds!
Get experience via alternative ways! With the help of this data pack you won't get experience only from killing or murdering something or mining only specific ores but for most of the stuff you do in the game like building, farming, chopping wood etc.
Not Coldown
Lets the admin enable or disable player attack cooldown, switching between classic 1.8.9 combat and the modern system.
Fast Paths
Sprint faster on established trails with a seamless movement speed boost exclusive to Path blocks.
Bleeding System
A mod that adds bleeding mechanics
Jump Enchantment
New enchantment that, when applied to boots, increases your jump height!
Stardew Valley Fishing Data Pack
A data pack that adds the Stardew Valley Fishing Minigame whenever a fish or other item would normally be fished. Credit to SethBling for the mechanics 4 years ago

Totem of Null
The Totem of Null, From Unstable SMP which when popped, Tagged players die.
RuinedStructures999
Bring your world to life with RuinedStructures999 — a powerful plugin that spawns configurable, loot-filled ruined structures in your Minecraft world!
Sneak Indicator
Simple UI element showing whether you're currently sneaking.
Granular Gamerules
Breaks up some of the most overloaded Game Rules such as mobGriefing into individual features.
UnstableSMP DeathSound
A plugin that adds UnstableSMP death sounds to your game.

More Ancient Debris!
Tweaks the world generation to generate around twice as much ancient debris as normal!
Booster
Boost the functionality of Minecraft GUIs
Redstone Essentials
A mod that aims to improve the redstone experience when working with complex computational builds
Stump
Adds Stumps, new cosy decoration blocks that let you sit down!
UnstableSMPDeaths
Aims to show Death Messages only to nearby players.
Heartless Pursuit
Gain extra hearts for every five XP levels you earn (fully customizable). Compete with friends to collect the most hearts by grinding—or stealing them by defeating others!
Minecraft Villager Trade Manager
Complete control over villager trading economics with custom pricing and discount prevention Minecraft Villager Trade Manager is a comprehensive Paper/Spigot plugin that gives server administrators complete control over villager trading economics. Take co
Orb Booster
Adds an enchantment that multiplies your gained XP.
Dog Dog
Overhauls Minecraft wolves with unique personalities, treasure-hunting abilities, and epic life-saving mechanics!
Terraspread - Spread Biomes
Spread biomes across biome borders with a new craftable item
BiomeBetray
Biomes occasionally and silently swap your hotbar items with random ones from your inventory when you enter them :trollface:

Vital
A mod which adds clean, minimal, but readable SHADER COMPATIBLE health bars to each mob in the game (optionally replacing boss bars with colour coded bars per active boss too).
Redstone Robot
Redstone robots that recharge with redstone, can follow you, attack hostiles mobs with bows and a iron swords!
VaultLeaderboards
The easiest way to showcase top player balances with Vault + PlaceholderAPI
No Mob Burn
Makes zombies & skeletons don't burn in daylight
Blankpack Fabricated
Vanilla-friendly backpack mod with fully integrated UI, tiers, customization, and smart inventory management.
aolu Rapiers
A Data Pack which adds a new custom weapon that is a Hybrid of a Sword and Spear
CosmicPings
CosmicPings is a visual mod that allows for waypoints & team pings. Specifically made for CosmicSky & CosmicPrisons, brought to you by the Minecoin team.
War weapons
Medieval styled weapons and war utilities.
Minestuck Extras
Adds new blocks, weapons, foods, and armor sets to Minestuck.
Spunky SMP Essentials
Advanced SMP Essentials plugin with /spawn, /home, /tpa, and more. Perfect for servers
AntiAFKPlus
Smart and configurable AFK management for your server!
Project: Explosive
Adds realistic explosions while keeping Minecraft’s vanilla style.
No Vex ❌
Disable Vex in Minecraft by preventing its spawning and removing any that appear in the world
OnlyWaypoints
A Minecraft Fabric Mod that adds bloat-free Waypoints with a Vanilla feel to the game