Minecraft Java 1.21 Mods
Browse 1,561 free mods for Minecraft Java 1.21 — popular picks include Velocity Limbo Handler, LotterySix, PlayerCrasher.
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Velocity Limbo Handler
A simple plugin for handling limbo reconnection/handling
LotterySix
Realistic number picking lottery with tickets count independent odds. Inspired by "Mark Six 六合彩" of the HKJC. Please bet responsibly.
PlayerCrasher
Easily crash Minecraft Players across all versions by using a command.
VeloAuth
Secure Velocity auth plugin with auto-login for premium players and registration/login for offline players.

Boar Anticheat
Proof of concept prediction anticheat for Geyser.
Protectcord
Protectcord is an anti VPN/Proxy plugin it uses an advanced API to check if an IPv4/IPv6 is a VPN or Proxy!
Towns & Nations
A role-playing Minecraft plugin for immersive town creation, alliances, and warfare
KickRedirect
Redirect your players to a server after a server shutdown
Crystal Opacity
Allows you to change how see through a crystal is with lots of settings. or how transparent they are
PistonMOTD
✨ Control your Minecraft server's MOTD. Supports RGB colors and multiple platforms.
Necropolis - Ancient City Overhaul
Uses new features, building revamps, and concept art inspiration to enhance and enlarge ancient cities.
FloodgateRelink
Simple plugin to relink Geyser players after they link their account! Don't loose your progress by linking!
ClientCatcher
Detect the client with which a player has connected to your server
azuvotifier
Yet another NuVotifier/Votifier fork with various enhancements, such as Redis forwarding and support for additional platforms.
NeoVelocity
A Compatibility layer that allows velocity proxy modern forwarding on modded neoforge server.
LeafRTP | Random Teleport
Fast Random Teleportation for everyone, configurable and extensible
Simple Chat Channels
A chat plugin, with Channels (entry per symbol), Spigot and Bungee/Velocity useable!

City Pack
🏙️ City Pack Overhaul – Light & Fun! Step into a tiny but vibrant city world! Perfect for RPG lovers, this pack adds: Roads, buildings, and small urban life Simple NPCs and shops Light RPG elements without slowing your game Fast, smooth,
AutoViaUpdater
Automatically update all Vias -> ViaVersion, ViaBackwards, ViaRewind, ViaRewind-Legacy!
Infinite Capacity Cell
Add an AE2 cell which can store almost infinite items and fluids
NookureStaff
The most advanced staff utils plugin made for large servers.
ProtoWeaver
A networking library for creating custom protocols that run on the internal netty server.
SimpleProxyChat
[Bungee Chat Sync + Velocity Chat Sync] A simple plugin to allow global cross-server communication and messaging with support for PlaceholderAPI, LuckPerms, LiteBans, AdvancedBan, NetworkManager, and Discord.
MaxOptimize
optimization Bioelectricity Redstone Beautify
+PARRY MACE
Replaces the mace hit sound effect with a dynamic parry sound effect carefully crafted using Ultrakill and Minecraft sound effects in audacity. Made by Siamcheese (pack.png made by @Xk_ofc on twitter/x)
RockTown Tech World Sky Block
Survival Skyblock
AdvancedSensitiveWords
One-stop-shop, multi-platform ultimate anti-swear solution for your Minecraft server!
StreamlineCore
Essential additions to your server, but without the bloatware! Built with performance in mind.
CobbleTowns Update (CobbleDollar Integration)
A ready-to-play version of the CobbleTowns Unofficial Update with built-in CobbleDollar compatibility. The CobbleTowns PokéMarts now use CobbleDollars, with no manual setup or datapack load order changes required.
ServerPermissions
Add permissions to access your servers
EnhancedVelocity
Customize your Velocity network experience
Playtime Velocity
Track and view player playtime with Playtime Tracker for Velocity.
Simple Gunpowder
Adds gunpowder recipes, villager trades, piglin bartering and End City loot, including bulk recipes for large amounts of gunpowder.

简约生电优化 Simplicity Survival Optimization
简约的,生电整合包,更好的优化 simple, survival-assisted modpack, better optimizations
xLogin
Professional and super secure login system.
LibreLoginProd
Production ready fork of the LibreLogin plugin. We support the newest Minecraft versions and make sure everything is secure.