Minecraft Java 1.21 Mods
Browse 36 free mods for Minecraft Java 1.21 — popular picks include Create Crafts & Additions, New:Sim-U-Kraft, Sophisticated Backpack/Storage Emerald Upgrade.
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Create Crafts & Additions
Create Crafts & Additions extends Create and acts as a bridge between electricity and kinetic energy
New:Sim-U-Kraft
Have you ever wanted to build your own city in a game? To have your own territory and town residents, thriving and developing rapidly under your wise leadership as the mayor?
Sophisticated Backpack/Storage Emerald Upgrade
Enhance your Sophisticated Backpacks/Storage with the Emerald Upgrade! This upgrade boosts storage capacity beyond Netherite!!
LoginTo
A complete authentication solution for Minecraft servers, providing secure login, database storage, premium autologin and secure otp code with qrcode
Console Spam Fix : Reborn
A log filter that hide configured messages or errors from console and logs.
PerformanceX
Struggling with LAG??? Look no further! PX is an All-in-one server performance suite - 50 modules including item/mob despawn timers, AI throttling, lag machine detection, auto backups, Discord webhooks, Geyser support, and more. 1.8.8-26.2.
Infinite Capacity Cell
Add an AE2 cell which can store almost infinite items and fluids
Playtime Velocity
Track and view player playtime with Playtime Tracker for Velocity.
GeyserPackSync
A Velocity/BungeeCord plugin to apply different Bedrock Edition resource packs depending on the server the player is on.
PooperMC
The all-in-one solution for any server. Message Logging, Mention, Chat Color, Description / MotD, Muting, Reporting, Staff-Chat, Friends, Parties, Vein-Mining, Whitelist, Better-AI, AFK, Menu Commands, Global Ender Chest, Death-Banning, Anvil-Cap and more!
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.
Royal City Gladiolus Sweep
This mod is an optimized mod with automatic cleaning of useless entities and falling objects.
ServerPulse
Effortless Minecraft performance monitoring with pre-configured Grafana/InfluxDB via Docker.
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!
BeastTokensProxy
Bungee/Velocity side hook for BeastTokens
XaerosMapPlugin
Xaero's Map plugin is a lightweight plugin for servers using Xaero's Minimap and Xaero's World Map. The plugin prevents different worlds from sharing or overlapping map data, ensuring that every world maintains its own unique map.
kAuth
Auth System for Velocity servers

Torus
Electricity and machines without mods.
MHDF-Tools
MHDF-Tools | Dream Tools | ✨ A lightweight portable high performance Bukkit base plugin ✨MHDF-Tools | 梦之工具 | ✨一款轻量化便携高性能的Bukkit基础插件✨
Simple Reconnect
Reconnect your players to the last server they were on
SendHub
This can help you to send to the lobby
WingAuth
A more advanced and updated fork of LimboAuth - Velocity auth plugin for offline/hybrid servers with secure Limbo-based login, sessions, and anti-bruteforce protection.
CityClaim
The new claim minecraft plugin free ! Create your town/city, claim, custom gui, bank and more !
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.
Corex
Modern, Paper-exclusive compiled scripting engine
SentryLogger
SentryLogger is a plugin that integrates Sentry error tracking with your Paper or Velocity server.
VelocityAutoBackup
VelocityAutoBackup is a Velocity proxy plugin that automates complete server backups to Google Drive.
Modern Industrialization - CC: Tweaked - Compat
This mod implements the CC: Tweaked peripheral functions "GetEnergy" and "GetEnergyCapacity" for Modern Industrialization's LV-SV Storage Units.
Blitz Mod
Blitz is an alpha-stage industrial progression mod built around packet-sized electricity.
ReportToxicity
A moderation and reporting plugin for Minecraft servers that sends reports to the ReportToxicity platform and can also alert server owners or admins through Discord when configured.
Scoreboard Sync
A plugin that syncs objectives, scores, and teams to a MySQL/MariaDB database so all backend servers in a Velocity or BungeeCord network can share the same scoreboard state. Useful for data packs and cross-server minigames that use vanilla scoreboards.
Queue Plugin
An Queue Plugin for Velocity, easy to set up!
Sophisticated Backpacks Unofficial Mod (1.21.1, 1.20.1) – Sophisticated Storage On The Go
Sophisticated Backpacks Unofficial Mod is a Fabric-compatible version of Sophisticated Backpacks, bringing advanced storage solutions to Fabric-based Minecraft. This mod adds customizable backpacks with various upgrades and automation features, enhancing inventory management. Features: Multiple backpack tiers with increasing storage capacity. Upgrades for auto-pickup, filtering, and more. Integration with Fabric mods for compatibility. Screenshots: Sophisticated Backpacks […]
EnergyLib - Manage Electricity System for Plugins
Easily manage energy production, storage, and consumption with modular components.
Minecolonies Getting Started (MCGS)
Guided quests lead you from stone tools to Town Hall, then Minecolonies NPCs handle the grind. Rich ambience, extra structures, a towering Nether, handy gadgets, and big backpacks keep adventures—and streams—fresh past automation.
Rotary Supply Line Mod (1.21.1) – Supply Town Workers Directly
Rotary Supply Line Mod connects MineColonies delivery systems directly to Create stock networks. Colonists can pull required items directly from your mechanical storage without messy hopper setups or manual sorting lines. The addon bridges both systems using clean game code so worker requests follow normal colony routines while tapping into factory supplies. It also lets […]