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Minecraft Java 1.21 Mods

Browse 346 free mods for Minecraft Java 1.21 — popular picks include SmartRouter, Electricity+Automation, Minecraft Server Management Protocol Legacy Support.

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S
1.7.2

SmartRouter

SmartRouter is a Velocity plugin that smartly routes players based on their last connected server.

80downloads
E
1.21.4neoforge

Electricity+Automation

This mod is about Electricity and Automation, it's mainly trying to make a fun long experience for the game!

77downloads
M
1.8.8

Minecraft Server Management Protocol Legacy Support

Adds legacy version support for Minecraft Server Management Protocol

74downloads
D
25w20a

DownAuth

Fallback for Velocity in the event of Mojang Outages

67downloads
A
1.21.1neoforge

aero-create

The Create Mod is a thing for Minecraft that's all about building machines and making things work automatically. It has things like gears and belts and machines that use power, which is different from using electricity. You can build complicated factories

57downloads
A
1.7.2

AutoProxyShutdown

Automatically shut down your proxy after a set time if no players are online!

52downloads
C
1.21

Calmo's Announce

This Plugin adds a Proxy wide Announcement Message!

49downloads
S
1.7.5

Selective Routes

A versatile routing plugin for Velocity

11downloads
Minecolonies Getting Started (MCGS)
1.21.1neoforge

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.

86kdownloads
铁砧工艺:额外电力   |   Anvilcraft:Extra Power
1.21.1neoforge

铁砧工艺:额外电力 | Anvilcraft:Extra Power

Anvilcraft's subsidiary mod,added more installs to produce electricity.

3.9kdownloads
Ched's Realism Building
1.21.1neoforge

Ched's Realism Building

A creative building mod designed to enhance realistic city building and architecture in minecraft

3.8kdownloads
Mergeview
1.21.1neoforge

Mergeview

A RP Farming modpack with cobblemon, magic and tech. Start a factory, build your very own cobblemon gym or create a town with friends!

764downloads
Electric coating
1.21neoforge

Electric coating

Convert the durability of any item into electricity

532downloads
Gears & Gardens
1.21.1neoforge

Gears & Gardens

Gears and Gardens is a modded Minecraft server focused on tech, nature, exploration, and community‑friendly game play. Think machines + contraptions + towns + chill vibes.

323downloads
Rotary Supply Line Mod (1.21.1) – Supply Town Workers Directly
1.21.1

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 […]

Redstone Additions Mod (26.2, 1.21.11) – Automate Every Resource
1.21.11

Redstone Additions Mod (26.2, 1.21.11) – Automate Every Resource

Redstone Additions Mod expands vanilla circuitry with dozens of logic blocks, automation devices, and long-range transport networks. This mod introduces dedicated pipes for items, fluids, gases, and electricity directly into your world. You can run wireless redstone signals across long distances, keep key chunks loaded, and link inventories across dimensions. It also supplies personal flight […]

Create Sky Village Mod (1.21.1, 1.20.1) – Loot Mechanical Towns Floating Above
1.21.1

Create Sky Village Mod (1.21.1, 1.20.1) – Loot Mechanical Towns Floating Above

Create Sky Village Mod adds floating sky settlements packed with loot for Create. This mod spawns airborne villages high above the clouds, featuring buildings constructed from machinery and decorative materials. Players can travel up to settlements like Highwind Village to explore new structures and collect mechanical components. Features: Spawns floating island settlements high above the […]

Create Colonies AERONAUTICS Modpack (1.21.1) – Build Fly And Rule
1.21.1

Create Colonies AERONAUTICS Modpack (1.21.1) – Build Fly And Rule

Create Colonies AERONAUTICS Modpack takes you to the clouds with a mix of engineering, town building, and real flying physics. You can build your own working aircraft, run a bustling colony on the ground, and explore the skies in a world where blocks actually float and fly. It gives you a broken-down plane right at […]

Turtle Charging Station Mod (1.21.11, 1.20.1) – Charge CC turtles using Forge Energy
1.21.11

Turtle Charging Station Mod (1.21.11, 1.20.1) – Charge CC turtles using Forge Energy

Turtle Charging Station Mod adds a block that can charge CC turtles using Forge Energy. Players need to supply energy to the station and place the turtles next to it for charging and the energy capacity and fuel conversion rate can be adjusted in the settings. The mod also includes the Thundercharge Dynamo, which absorbs […]

Project Red Expansion Mod (1.21.1, 1.20.1) – Project Red Mechanical
1.21.1

Project Red Expansion Mod (1.21.1, 1.20.1) – Project Red Mechanical

Project Red Expansion Mod implements movable frames, allowing players to build large constructions which can be moved or even move themselves. The module also includes a tube system to transport fluids and items. Machines, frames, motors, electricity generation. Project Red is a collection of Minecraft Forge mods that aim to bring vastly improved Redstone circuitry […]

Immersive Posts Mod (1.21.1, 1.20.1) – Customizable Posts, Decorations
1.21.1

Immersive Posts Mod (1.21.1, 1.20.1) – Customizable Posts, Decorations

Immersive Posts Mod being a small addition for Immersive Engineering Mod, it implements advanced fence blocks to allow players with more options to customize their posts further. If you're stuck on not knowing how also to decorate your Minecraft city, and the ordinary posts constructions are getting lame, Immersive Posts is exactly the mod for […]

Create Crafts and Additions Mod (1.21.1, 1.20.1) – Electrifying the Create Mod
1.21.1

Create Crafts and Additions Mod (1.21.1, 1.20.1) – Electrifying the Create Mod

Create Crafts and Additions Mod extends Create and acts as a bridge between electricity and kinetic energy from Create by adding an Electric Motor which generates kinetic energy from Forge energy and an Alternator which does the opposite at 75% efficiency. To craft these items you need to make a Rolling Mill which is a […]