Minecraft Java 1.21 Mods
Browse 21,935 free mods for Minecraft Java 1.21 — popular picks include Freeze players instantly, PlayCustomSounds, Aloo Skill SMP.
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Freeze players instantly
A lightweight and powerful /freeze plugin for Paper servers. Perfect for staff moderation and anti-cheat handling.
PlayCustomSounds
This project allowed owners to add new disc to their server
Aloo Skill SMP
AlooSMP is a custom SMP plugin where each player bonds with a Potato Spirit companion (called an "Aloo") that gives them a unique class identity with passive buffs, 9 active abilities, and a skill progression system.
DayWill's Beekeepers
This is a small mod that adds beekeepers and their unique workstation to the game!
DndRoll
Neon D&D dice rolls with modifiers & crits.
Simple Battlepass
Simple Battlepass for servers that have PVP or anything!
Template Locker
Plugin to lock/unlock templates from copyright.
More Tools Fabric
This minecraft mod adds more tools. The carbon fiber blade, and the Gemstone axe. More tools in later updates. Only 1.21.8
Prevent Blocks
Prevents placement of specific blocks in configured worlds
Copper string
This mod adds a copper thread, it can replace the usual one in some tools, and has its own crafting!

TownyPersistentToggle
A Minecraft plugin that ensures Towny toggle settings persist across player logins and server restarts.
Traincarts Ticket Shop
A plugin which allows players to create shop GUIs for purchasing tickets from the Traincarts plugin.
AiAtTheServer
Add AI to your minecraft server without api key! Download and use!
MobAIReasonDisabler
With this plugin you can disable certain mobs AI , based on the reason they spawned
NewPlayerPanel
Player Restrictions System & Villager Tracker Module
Random Oddities
A collection of my unclassified ideas.
More Annoying Template Crafting
Trims should be more rare, but some people think that it shouldnt be impossible to tinker with
Reckon Quest
A simple and straightforward quest plugin that makes your server way more fun.
Opgrass
This datapack makes that grass drops op items
LuminolQoL
LuminolQoL is a Minecraft plugin that adds a couple of “quality-of-life” enhancements like funny death messages!
Dok's Enchants
Adds new enchantments: Apprehending and Endless Suffering.
Unobtainable - An Addon for Completionist
An addon for Completionist for blocks / items you cannot obtain in Survival but can interact with in the world.
Consistent Drops
A simple plugin that makes block drops fall straight down instead of flying off in random directions.
/Giftheart
Use /gifth to gift a player a heart No rights reserved
LavaFishingRod
Attack with fishing rod through lava will provide burning effect to attacked player
Pesky Vexes
Datapack that makes vexes not die after 5 min when named preserve
TSLzone
A zone damage plugin compatible with Folia.
Warn on run_command
Warns the player if they're about to execute a run_command click event.
HMWBTE's Cosmetics
A datapack that brings custom text displays (and more) into survival!
HollowScanner
HollowScanner is a Minecraft 1.21.4 Bukkit plugin that adds a handheld scanner item to help players detect nearby caves and dungeons underground by providing vibration feedback via sounds and particles.
System Crafts
This datapack will add crafting of some items and blocks that have existed for a long time in minecraft, but do not have their own crafting!
sibliths raindance
Change the weather with a hop and a jump! Forward, back, left, right, sneak and jump, or you can freestyle!
oyulite
Vanilla-ish datapack with a classic feel
Crying Obsidian Craft [YACRD]
Now you can craft Crying Obsidian!
Reforged Modifiers
Reforged Modifiers adds equipment modifiers based on Terraria's modifiers.

Difficulty by Distance
Adds the option to scale difficulty infinitely the further out you travel, alongside applying scaling to more mechanics and tools for pack creators.