Tech Mods for Minecraft Java
Browse 10 free Tech mods for Minecraft Java — popular picks include Create Compressed, CB: Compressed Blocks, Ad Astra: Planets+.
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Create Compressed
Adds full blocks for raw materials. Have less micro-management & more storage space!
CB: Compressed Blocks
A Block and Item Compression mod for Minecraft. Compress your Blocks and Items to make more free space (up to 3.486.784.101 Blocks / Items in just one single Block!)
Ad Astra: Planets+
Adds more planets moons and star systems to explore in Ad Astra!
TLOTD
Explore the ancient times, when dinosaurs ruled the earth, dig deep into the earth to find more valuables or adventure into the unknown depths of space! The sky is the limit!
GalaxyByne's Mailboxes
A simple to use, multiplayer friendly mailbox datapack using addresses as recipients.
Star Wars: Galaxy in a Cube
A Star Wars-themed mod. Force, lightsabers, star fighters, walkers, droids & clones, and more!

Ragex's Nuclear Tech
A sci-fi chemistry learning tool about space, science, immersion and of course Nuclear Tech.
Space and Constellations
Explore the depths of space through a telescope lens! Discover constellations, draw celestial maps, and unlock magical stellar abilities.
Planet Craft
A mod to create a universe with Planets, Suns and Black Holes all customizable to your liking.
Smeshariki: Otherworld
A mod featuring diverse space content in the spirit of Galacticraft.