Minecraft Java 1.21 Mods
Browse 57 free mods for Minecraft Java 1.21 — popular picks include CobbleGalaxy - Cobblemon, Miasma, SCAN.
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CobbleGalaxy - Cobblemon
Cobblemon Modpack - Add Pokemon to your Minecraft world! Increases FPS and performance! Multiplayer server with Gyms, Tournaments, Mega Evolutions, & more!
Miasma
Miasma - Cel-shading shader that transforms Minecraft into a toxic, mesmerizing planet, inspired by the iconic style of Borderlands.
SCAN
Scan the space around you - each pulse of light shows you where you are...
JustTimm's Lightsaber Workshop
This is a resource pack that brings the iconic sabers from across the Star Wars galaxy to life in Minecraft utilizing OptiFine CIT (1.20.2-1.21.4) and Vanilla CIT (1.21.5+).
Resource Trimmer
Reduces network overhead by removing the namespace from vanilla resource locations.
Pixelmon Planet
A modpack centered around the Pixelmon mod with quality-of-life enhancements and performance optimizations.
Create Evo Era - Space & Tech
Create 6.0 Tech Modpack NeoForge 1.21.1. Over +250 Quests recipes KubeJS. Highly Optimized Expert Progression. Immersive Engineering Nuclear Power Aeronautics Northstar SPACE travel
SpaceVulcan
Addon for Vulcan Anti-Cheat
Dynamic Flight Control
This Mod Let's you fly With different game method, so you don't have use shift and space. You can fly up and down, just by pointing towards it.
![Liminal Shader [LOST]](https://pub-2ae937f770284535a96c3330f91236aa.r2.dev/thumb/modrinth/389279.webp)
Liminal Shader [LOST]
Perfect for horror maps, liminal space builds, and atmospheric survival gameplay.
Firework Rocket Colors
An Optifine/CIT pack that adds variations to firework rockets, depending on their flight duration and whether they have explosions or not. Updated for compatibility with Minecraft 1.20.5 due to NBT changes.
Planet Helios
Modpack for Planet Helios Server. Optional for Playing Planet Helios Network's Celestia Game Mode!
Over Optimized
Over Optimized is Minecraft on rocket fuel—powered by nvidium and bleeding edge mods!
Lumenshard+
Recommended Modpack for the successor to the legendary A'therys Ascended project; Lumenshard is an MMORPG-inspired Minecraft experience boasting MMO elements, beautiful play-spaces, impressive worldbuilding, and a deep lore.
Celestial Mist
A cool galaxy sky overlay compatible with Optifine/Skyboxify!
Vortex
Server-side modpack analytics developed by Atmospace. Tracks player usage of modded blocks, items, crafting, and entities. View in-game summaries and get CSV reports on shutdown to optimize your modpack based on actual player engagement.
Galaxy shader
A simple shader which changes all blocks universally to display a galaxy/starry night, and gives all entities a golden glow
Scarlet Singularity
A dark, scarlet galaxy sky overlay compatible with Optifine/Skyboxify!
iammojogo's Village Life Plus
Smarter villagers and iron golems - auto-repopulation, fence gate navigation, personal space, and golems that actually protect villagers with intelligent combat AI.
CraftPlanet
This is a client side performance and utility mod!
Infini Rockets! 🚀
Infinite Rockets here we come!
DynamicDisasters
Experience extreme, physics-based natural disasters like tornadoes and cosmic rifts in 1.21.1 – zero custom textures, fully shader-optimized!
Arqone Frostline
Frostline is a survival-focused Minecraft modpack. Frostline Modpack is meant to be more than just a Modpack. It's a cozy winter experience, a space to connect, relax, and enjoy Minecraft during Christmas times.
Create: Aerospace
A modpack featuring Create: Aeronautics and Creating Space, as well as Create: Power Grid and Create: Nuclear
ThirdPlanet
Experience pure vanilla Minecraft on the ThirdPlanet server, enhanced with smooth performance and quality-of-life improvements.
Fantastic Smelting
A small mod to boost your smelting-experience. Allows you to smelt raw resource blocks, saving you time and space.
PriorityQueue
Make space for your VIPs on your server
Better Elytra Flying
When you are flying with an elytra or take off, you can click space to quick use a firework in your hotbar.
Compactible Mob Drops
Now you can compress mob drops into compact blocks to save space!
Cobblemon Planet
A modpack centered around the Cobblemon mod with quality-of-life enhancements and performance optimizations.
Cosmic's SMP+
The best Modpack that adds every Essential You need to conquer a SMP! Including Optimization as well as PVP essentials!
CommunityVault
A shared vault with unlimited space for all players on the server
"Sol System" Pack
See you space...
Nerflytra - Nerf elytra boosting
Disable or discourage using rockets while flying, performant and configurable.
Somespace
Simple to play with friends and lightweight client-side modpack with performance boosts and visual improvements.
NoRockets2Waste
Prevents you from using rockets accidentally!