Minecraft Java 1.21 Mods
Browse 111,155 free mods for Minecraft Java 1.21 — popular picks include Respawn Nerby, Calcite Generator, Z-MSG.
Updated daily
Respawn Nerby
changes the default Minecraft respawn system by spawning players near their death location

Calcite Generator
Plugin, that adds calcite generator to the Minecraft
Z-MSG
Z-MSG Private Message System with Admin Features like Socialspy, msgtoggle and more!
CTChatControl
A modern, lightweight, and highly customizable chat management and moderation plugin for Paper & Folia servers.

French Bread
This is not a datapack that adds french bread. This is instead a progression datapack thats in the weird area of both being complicated and not complicated so make of that what you will.
Enhanced Drops
Manage mob drops worldwide, set items, percentage, mechanics and much more.
AntiHealthIndicators
Blocks use of Health Indicators on Minecraft Servers

Teleport Book - Fork
A fork of Lullaby's datapack for older versions of Minecraft
VisibleBarrier
VisibleBarrier helps players easily see and manage hidden technical blocks like barriers, light bloc
Particles Optimizer
Optimize or ban particles, limit executions or run them async. PlayerParticles hook!

Infinite Slowness I
Applies an infinite Slowness I effect to the player.

Vaporeon ditto (Cobblemon)
Replace vaporeon of a transformed ditto vaporeon
PartyAtMine
A Fun Project Where you can create a Party and have fun with it.
Magic Leads
Lead any mob and have them teleport with you!

Op Origins Phantom
This mod makes Phantom Phase through obsidian and everything else except bedrock

Stature
Asks players for their IRL height and matches it with the game.

Chrono
A lightweight command scheduler for Paper servers. Schedule commands to run on a timer, at specific times, or chain them together.

ShadowTrade
A lightweight and handy plugin to minimize scaming in server.

Useless or useful
It adds various chat-related features, some of which may be needed or may be useless.

easy CORAL FANS
Tired of searching for warm oceans? Craft all Coral Fans easily using wool and dyes!
UpSwordTest
Заточка мечей через GUI с риском, шансами и стихиями
Nitwit breeding fix
This datapack fixes MC-239013 bug of nitwits not being able to spawn from breeding.
TreeGenerator
A tool designed to help building/generating custom trees

Transformable Shulker
Transform Chests into Shulker Boxes — right where they stand, without losing a single item.

In the Journeys - Better Combat compat
Better combat datapack compatibility for the mod: -IN THE JOURNEYS-
BattlePass DailyBonus
Reward players when they complete all active daily BattlePass quests
Flesh2Leather
..wait, where did this come from? Turn your rotten flesh into leather!
GP-Sync
Plugin that syncs bonus and accumulated Claim Blocks from GriefProtection across multiple Velocity servers via MariaDB. Limited support.
Noventra TAB
Your server’s identity, built into the TAB.
SeasonalShop
SeasonalShop

Schrödinger Blocks
Quantum blocks flicker between the real block and a random "anything" block until a player sees them, then collapse to one (coordinate-seeded). They spawn naturally underground and only shimmer near players. Server-side, Paper/Spigot/Bukkit/Purpur 1.21+.
DyhrTrivia
Lightweight Chat Trivia plugin

EclipseItemMailBox
This is an Item Mail. You can use it to send items over long distances.

Mine and Destroy Recipes
More recipes for items that you cant craft

Portable API
Portable API is a cross-version, cross-loader Minecraft modding API that lets developers share common code across multiple Minecraft versions and mod loaders.
GhostRun | Competitive Ghost Parkour [BETA]
parkour, ghost, replay, race, competitive, minigame, leaderboard, hologram, lobby, ProtocolLib