Minecraft Java 1.21 Mods
Browse 346 free mods for Minecraft Java 1.21 — popular picks include Kauri AntiVPN, Slimefun United, Sophisticated metal industry.
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Kauri AntiVPN
The most accurate and lightweight AntiVPN. Stop cheaters and malicious players in their tracks!
Slimefun United
A modern and organised continuation of Slimefun’s legacy. Slimefun United transforms your server into a modpack-like experience with backpacks, jetpacks, reactors, electricity, automation and countless new systems.
Sophisticated metal industry
This mod adds a device that consumes electricity and produces vanilla ore and a highly efficient generator using critical atoms.
MCEEW
A real-time Earthquake Early Warning (EEW) plugin for Minecraft servers.
Expressions Provider
Add MiniPlaceholders placeholders for complex mathematical and text expressions
Infinite Water Block
A customizable infinite water block with support for auto push, redstone enable/disable, and customizable push per tick and capacity
PlaytimeLink
PlaceholderAPI extension for my velocity playtime plugin.
Dungeons and Towns
A kitchensink modpack where you can delve through massive dungeons, or build up a city, or even automate things you didn't even know you could!
VelocityPteroPower
Velocity Plugin that enables the Proxy to dynamicly Start and Stop Servers that are managed with the Pterodacytl Panel

Fancy Tags
Simply put images in chat. No resource pack needed.
Create: Electric Blaze
An electricity-fueled Blaze Burner.
Create Metropolis
Create with addons and every thing you need to build a metropolis.
Cobblemon x NIT Integration
An addon for Cobblemon and New In Town adding Cobblemon-themed structures
VanillaVibes+
A Vanilla+ experience blending quality-of-life enhancements, immersive features, and vanilla-style additions for a perfect balance of simplicity and sophistication
Royal City Gladiolus Sweep
This mod is an optimized mod with automatic cleaning of useless entities and falling objects.
Velocircon
Velocity plugin for RCON support: enables remote execution of proxy commands via standard RCON protocol.
Electric & Mechanic Energy
Adds electricity and mechanics to the game.
PSG LOGIN
Best Minecraft login plugin for cracked servers with AntiBot, 2FA, and advanced security.
NoLag-Ultimate
NoLag Ultimate is a comprehensive and high performance optimization solution specifically engineered for modern Minecraft servers running on version 1.21 and above. This all in one utility focuses on maintaining peak server stability by addressing the most
modl
Streamline administrative duties with AI, dynamic punishments, and a slick web-interface
PistonQueue
⏰️ Powerful queue plugin for anarchy/survival servers.
ServerPulse
Effortless Minecraft performance monitoring with pre-configured Grafana/InfluxDB via Docker.
Create City 4 "The New Journey"
The 4th Part of the Create City Project
Gatekeeper
🛡️Advanced VPN & PROXY protection! ✅ Lightweight and highly Asynchronous!
vLobbyConnect
vLobbyConnect automatically connects players to the right lobby for their Minecraft version—just install and let it handle everything seamlessly! 🚀
MouCraft
MouCraft is a survival-RP modpack for Minecraft 1.21.1 using NeoForge. Designed for immersive multiplayer gameplay, it combines Create-based automation, town-building with MineColonies and survival mechanics.
STE
A mod that centers around mechanisms and electricity,automate and create as much as you can to gather resources faster,also whit add-ons support!
Colonies Modpack
Fun MineColonies modpack to enhance your citybuilding addiction for MC1.21.1
Velocity - Auto Reconnect
Keeps players online while your server restarts and reconnects them automatically on Velocity, with no limbo server needed.
yunfaRemember
velocity plugin that allows you to remember the server where you left with support for servers groups
NexoProxy
A Velocity-Plugin addon adding additional functionality to Nexo on Proxy servers
Simple Logistics
An automation mod focused on simplicity and performance, redefining the way you transport items and gather resources. Compatible with Create.
KillC
This plugin allows to /kill for the player if my /stuck doesn't work!
InfiniteBuckets
Infinite water, lava, and sponge buckets for 1.21+. Features MiniMessage support, Folia compatibility, and deep integration with WorldGuard, Towny, and GriefPrevention.
Neptune Core
All-in-one core plugin. This is all you need for your Velocity Server
OfflineEncryptor
A plugin that provides vanilla Minecraft encryption for offline players.