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Minecraft Java 1.21 Mods

Browse 16 free mods for Minecraft Java 1.21 — popular picks include Arda's Sculks (Ancient City Portal / Deep Dark Dimension), Create: Cobblemon [Cardboard Edition], PerformanceX.

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Arda's Sculks (Ancient City Portal / Deep Dark Dimension)
1.21.1neoforge

Arda's Sculks (Ancient City Portal / Deep Dark Dimension)

Arda's Sculks mod is a mod that improves the ancient city in the game and offers the ability to open the ancient portal in the ancient city. This mod adds many deep dark biomes to the game and many boss creatures found in these biomes.

122kdownloads
Create: Cobblemon [Cardboard Edition]
1.21.1neoforge

Create: Cobblemon [Cardboard Edition]

A Casual Modpack that includes various mods such as Create where you can automate almost anything you can think of, Cobblemon to catch friends and fight various monster in engaging battles, Minecolonies where you can become a mayor of your own town!

21kdownloads
PerformanceX
1.19fabric

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.

14kdownloads
Creator Academy Based on Create
1.21.1neoforge

Creator Academy Based on Create

in the world of imagination... Everything is different, machines, electricity, items and more. The leading rule is to automatize everything.

3.5kdownloads
MineColonie GRTQ
1.21.1neoforge

MineColonie GRTQ

MineColonie GRTQ is a cozy colony-builder and automation modpack featuring MineColonies and Create—build a living town, design clever factories, and explore a polished survival experience with performance and QoL tweaks.

676downloads
Craft and Furious
1.21.1neoforge

Craft and Furious

This modpack is based on industry and mechanization. Build the industrial city of tomorrow!

509downloads
MHDF-Tools
1.17.1

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✨

389downloads
Corex
1.21

Corex

Modern, Paper-exclusive compiled scripting engine

131downloads
Blitz Mod
1.21.1neoforge

Blitz Mod

Blitz is an alpha-stage industrial progression mod built around packet-sized electricity.

80downloads
SD5
1.21.6

SD5

SubData 5, the official Minecraft Datapack as seen on SubBurban 5.

64downloads
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
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
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
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
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 […]