Minecraft Java 1.21 Mods
Browse 16 free mods for Minecraft Java 1.21 — popular picks include Auto Rocket+, STAR WARS: Project The Force {SWPTF}, Interstellar: Galaxy.
Updated daily
Auto Rocket+
This project has been archived due to low downloads and no motivation to continue updating. Auto Rocket+ automatically equips fireworks while flying with an Elytra and restores your previous offhand item when you land. Toggle it anytime with R.
STAR WARS: Project The Force {SWPTF}
A project that will completely immerse you in a Galaxy far, far away;)

Interstellar: Galaxy
Travel throughout the galaxy

Stellaria
A mod dedicated to fighting enemies in a space-like environment!
MysticRocket
special infinite-use firework rockets designed for Elytra flight. Craft these glowing, enchanted rockets in four levels using rare materials
Mob Rockets
Send hostile Overworld mobs on an explosive one-way firework rocket ride! For hand-held, crossbow, and elytra use.
Mixed Stacks
Combine similar items to save inventory space.
Simple Space Mod
Extends world build limit and add damage on height above 500 blocks and without water breathing effect
starwars-galaxy
StarWarsGalaxy is a Minecraft Spigot/Paper plugin currently in development that aims to deliver a Star Wars RPG experience with factions, Force abilities, lightsabers, planets, missions, and economy systems
Cobblemon // Project: Spacetime
A Cobblemon side-mod that adds space-time distortions to Cobblemon, inspired by Pokemon Legends: Arceus.
Toasts Abilities
A data pack that adds 7 different custom classes, each with a ability, ultimate and a passive to improve combat. They are: Wind, Electric, Space, Sculk, Life, Metal and Oceanic
MagicFactory
Mod adding a new liminal space
ChronoShift
Adds time manipulation mechanics with the Time Coil staff and introduces a dark cosmic biome with unique blocks, flora, and shards.
Fox's Handheld Cannon Mod (1.21.4, 1.20.1) – A Fun Mix Of Mobility And Explosion
Fox's Handheld Cannon Mod introduces a new item that allows players to perform rocket jumps and deal explosive damage in Minecraft. Each ammo type provides a different effect: gunpowder launches you backward, TNT sends explosives flying, and fire charges launch explosive fireballs. Features: Rocket Jump Mechanic: Launch yourself into the air using gunpowder, great for […]
Omni Space
A Minecraft Paper plugin that provides players with private storage dimension spaces.
Firework Frenzy Mod (1.21.1, 1.20.1) – Rebalancing The Firework Crossbow
Firework Frenzy Mod is an overhaul of how Firework Rockets and the Crossbow interact in the game. The mod changes how Firework Rockets work, making them more versatile and fun to use. It improves how the Crossbow utilizes Firework Rockets, adding new mechanics and effects. Self-damage from Firework Rockets no longer grants invincibility frames, adding […]