Tech Mods for Minecraft Java
Browse 14 free Tech mods for Minecraft Java — popular picks include More Useful Copper, [HUGE UPDATE] Fisherman's Haven, Aquatic.
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More Useful Copper
New uses for copper, such as statues, aquatic redstone, and many other tools!
[HUGE UPDATE] Fisherman's Haven
A huge expansion for fishing and ocean exploration in Minecraft!
Aquatic
Harness the power of the watery depths, adds mechanics that allow you to build underwater and more!
Create: Warnautics
Create Big Cannons add-on with redstone-launched aerial bombs, multi-bomb cassettes, sea bombs, land mines, cinematic blast effects, and optional Sable ship destruction.
Create: Blahaj Factory
Create: Blahaj Factory adds more compat between Just Blahaj & Create to automate your shark friends! (Also Compatible with Only Blahaj)
Redstone Underwater
Redstone can now be waterlogged!
Create: Flood Pulley
An addon for Create that adds a variant of the Hose Pulley without the bottomless supply mechanic, so you can drain perimeters and fill whole oceans.

Blue Oceans
Blue Oceans is a technology-adventure mod designed to enhance the player's gaming experience by incorporating real-life items.It also includes some magical items.
JellyFishy
Introduces a brand new mob for the ocean (Jellyfish) just like in real life this mob groups up (10-20 in a group) and basically just moves freely also dont touch em!
AirBreather
Breathe underwater with a customizable Air Mask!
Under The Seas
Discontiued For Certain Amount Of Time A new gameplay to minecraft by exploring the darkness of the sea
Chewing Gum
This mod adds a pack of gums with 3 pieces inside used to remove nausea
Easier Sea Lanterns
Changes the current crafting recipe to a more balanced recipe.
Enderberry teleport animals or villagers
Overview The Enderberry mod adds a unique item that allows players to bind and teleport animals, villagers, and aquatic creatures to desired locations, simplifying mob logistics.