Minecraft Java 1.21 Mods
Browse 250 free mods for Minecraft Java 1.21 — popular picks include GChat Towny addon, /velocity, Default Server.
Updated daily
GChat Towny addon
Townyadvanced support addon for GChat
/velocity
Adds a command to manage entities' velocity
Default Server
Allow your playets to choose a default player which they will be teleported on join.
Domain Router
🌐 Route players to different Minecraft servers based on their domain/IP. Now with fully customizable proxy kick messages, lightweight performance, and simple configuration for server networks.
CobbleTrivia
Trivia plugin based around Pokémon questions
Wallrun
Adds smooth wall-running mechanics that let players run along walls and extend their movement for fast-paced parkour gameplay.

AdvancedReports
Reports made simple. AdvancedReports adds a clean native Paper dialog system for player reports, giving staff a fast way to review issues and take action.
Corex
Modern, Paper-exclusive compiled scripting engine
Uptowns Extra Inventory
This plugin adds extra inventory with 54 slots under command /inv. Has a config
TownyPacifist - Addon
Prevents combat involving peaceful Towny towns — bidirectional protection with arena, SiegeWar & TownyCaptureSites support.

PlayerGrowth
Lightweight plugin for player growth by played time
Project: Maintenance Universal
Professional Maintenance Modes System for all Loaders and Servers
CityClaim
The new claim minecraft plugin free ! Create your town/city, claim, custom gui, bank and more !
TartanMsg
msg plugin for velocity and bukkit
Create: Goggles Plus
An enhanced HUD for the Engineer's Goggles, tailored for Create's power networks. It displays real-time rotational speed, remaining stress capacity, rotation direction, and the primary load sources—all at a glance.
NubladaTowns
Immersive protection plugin without commands.
NoMoreBots
Advanced bot verification plugin for Velocity
VelocityShield
Protect your Velocity proxy server from VPN users with advanced detection and caching

Cristalline
This mod add an all new mechanic to ametyst by giving the opportunity to grow electricity powered crystals and make new items for survival.
Better Ancient City Loot
rebalances ancient city loot tables
MyHomesX
MyHomesX is an advanced and highly configurable homes plugin for Spigot / Paper servers, designed to provide a smooth, secure, and professional experience for players, staff, and Minecraft networks.
TabWhitelist
Control what commands players can see and use on your minecraft server!
Aduxx Lobby
🛡️ Aduxx Lobby – Velocity Plugin Aduxx Lobby is a lightweight and fast 🌪️ Velocity plugin that lets players quickly return to the lobby server with a simple /lobby command. Designed for modern Velocity networks, it's easy to configure and user-friendly!
The Echo Horror
A progressive psychological horror mod that introduces strange anomalies, distant watchers, unexplained encounters, and escalating disturbances as the days pass.
Version Blocker
A Velocity plugin to allow only a single game version. Display a custom message if the version is incorrect.
RxNoBots
The best plugin for eliminating bots in Velocity using LimboAPI
UltimateBounce
Make bounce blocks and other blocks jump high based on the velocity you input for minigames ....
Soul Items
Skip the standard ore grind and hunt for rare, self-leveling tools exclusively found in Ancient City structures. Elevate your playstyle as your gear organically grows stronger with every action you take.
Echo Gates: Ancient City Fast Travel
Adds a simple and stylish fast travel system using Ancient City Portal Frames.
CrossHomes
CrossHomes is a homes plugin designed for both server networks and standalone servers.
Ancient City Underground
Makes Ancient Cities generate densely underground in all Overworld biomes. Every chunk is covered by city structures with moderate overlap. Players spawn safely inside the city.
Chat Opacity
This is a simple mod that allows the user to toggle chat visibility with a keybind, and nothing more.
Smart City Lights
A brilliant mod for builders — lamps that turn themselves on and off, imitating the daily rhythm of a lived-in apartment.
Partycraft Plus
A highly customizable party plugin for Velocity networks using Paper‑based backend servers
VeloAuth API
VeloAuth API - The main component for the plugin VeloAuth System for velocity.
NoobGlist
Glist plugin for velocity proxy!