Minecraft Java 1.21 Mods
Browse 21,951 free mods for Minecraft Java 1.21 — popular picks include DailyTasksPlus, Death Back Feather, Explosive baby's mod.
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DailyTasksPlus
A lightweight Daily, Weekly, and Monthly Tasks plugin with GUI, rewards, MySQL support, and PlaceholderAPI integration.
Death Back Feather
A Minecraft Paper plugin that gives players a special feather item when they die. This feather allows players to teleport back to their death location and restore their last used kit from PerPlayerKit.
Explosive baby's mod
a throwable baby that explodes on impact
Survival Enhancements
Tons of survival enhancements that only try to improving existing things, and not add new mechanics. Supports 1.21.8 (1.21.9 and 1.21.10 coming soon!)

Inverted Sleep
Minecraft mod to invert the sleep so time stops at midday and you need to sleep to start a night.
FableCraft
FableCraft adds magical blocks and tracking tools to Minecraft, letting you bounce higher, grow crops instantly, and keep tabs on anything that moves (along with other things!)
Craftabilities
A mod adding recipes for uncraftable items, while also including blasting recipes and smelting recipes to items.
FrediFrets-Challenges
Add exciting Minecraft challenges like random drops, chunk effects, expanding borders, and hardcore modes – all controllable with simple commands.
EG Tools Expanded
Adds additional tools to Minecraft Java Edition - Paxel, Construction Hammer, Paints + Paintbrush
AntiDoubleBlastProtection
Automatically re-enchants armor pieces with blast protection to protection, excluding the leggings. This essentially removes blast protection stacking. Known as "DBP" in Crystal PvP.

THIS
Port of the Chickens mod, as well as roost!
Flashing Lights
Lights can now blink.
WoodToLog
Turn full bark blocks into logs! Just put Fully barked wood in crafting 2 by 2 and youll get 4 normal logs
EnchatmentsСoolTNT
A Datapack that adds 8 new enchantments to the Turtle Helmet, Trident, and other items.
Happy Trains
Happy Ghasts in minecarts look forwards!
DropAHead
What's that fallen? It's someone's head....
Redamption
Redamptions is a modern and reliable redemption system designed for Minecraft servers. It allows players to redeem codes generated via services like LootLabs or Linkvertise for in-game rewards—enhancing monetization and engagement in your community.
Roll Master
Introduce a powerful and fully customizable Gacha/ reward system to your Minecraft server.
Tweak Your Life
Death chests, anvil uses, sleep indicator, simple crop-harvest, remote enderchests & more. Add usefull tweaks to your SMP and take it on another level.
ArcaneMobs
A plugin to enhance the mobs on your server
Coalossal Coals
Progressively better and better tiers of coals with balanced costs for the severely late-game final items.
Warfre's Mob Personality
Enhance your vanilla experience with tons of variants and details.

Iron Lodestones Backport
Lodestones use iron instead of netherite (backported from 1.21.5)
PigCart
Restores the inversely controlled minecart pig that got patched out in 1.21.3
Coherent Content
Small implementation that fixes some of the inconsistencies and mechanics of the game

nazar's rainbow
a self-assignable chat colours datapack for changing the colour code of your name in text using teams. doubles as a faction pack (please wait for update)
Shader Carry Forked
Fixes Carry On rendering bugs with shaders for Fabric and NeoForge.

KeyMap HUD
A visual keybinding manager for Minecraft that helps you find conflicts, discover unused keys, rebind controls, add custom key labels, and save or share keybinding profiles.
Armor Loadout
Quickly save, manage, and switch between armor sets using hotkeys and visual hover tooltips.
No Duping
Various toggles for disabling dupes (rails; carpets; tnt; gravity blocks; tripwire hooks).
Very Much of Create
A massive Create-focused modpack that expands automation, transport, and industry to the extreme. Featuring dozens of Create add-ons, new biomes, food systems, and performance optimizations — perfect for building huge factories, trains, and mechanical worl
Gate Pass
Add UI login system to your minecraft server and anti-bypass login system.
Pocket Totem
Pocket Totem — a lightweight Vanilla+ mod that allows the Totem of Undying to trigger from any inventory slot, keeping your off-hand free for shields and tools.
TNT roulette
A mod that drops a random TNT on a random player every configurable interval, playable solo or with friends, with difficulty modes and a countdown.
UltimateJumpads
A lightweight custom made plugin that allows you to create jump pads quickly and easily using a single command. Perfect for servers that want smooth mobility mechanics without complicated setup

Slow Building
Slows down placing certain blocks: hold right-click, watch the progress bar, then the block is placed.