Tech Mods for Minecraft Java
Browse 34,595 free Tech mods for Minecraft Java — popular picks include Compact Machines, Actually Additions, Spice of Life: Carrot Edition.
Step by step: How to install Minecraft Java mods & modpacks
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Compact Machines
Adds one simple game mechanic: Small rooms inside of blocks. It basically gives you the ability to build your contraptions inside of a single block.
Actually Additions
Fan-favorite magitech mod full of fun and useful gadgets
Spice of Life: Carrot Edition
A mod based around food that rewards the player instead of punishing them for discovering new foods!
Refined Storage Addons
An addon mod for Refined Storage.
RFTools Power
RFTools addon for all power generator/storage
Redstone Flux
Redstone Flux API - Energy Transfer in Minecraft.
Pipez
Simple and efficient pipes
Thermal Cultivation
Thermal gets Agrarian - provides options for farming and related activities!
Cyclic
Tools, Machines, Gear, potions, villagers, fully configurable
RFTools Base
RFTools Base: base mod for all McJty tech mods
PneumaticCraft: Repressurized
Doing cool stuff with pressurized air
RFTools
RFTools, blocks and items to help with Redflux (dimension builder, crafter, monitor, scanner, ...)
CC: Tweaked
CC: Tweaked is a fork of ComputerCraft, adding programmable computers, turtles and more to Minecraft.

ProjectE
Equivalent Exchange 2 (EE2) for modern Minecraft versions.
Ranged Pumps
Ranged Pumps is a simple mod that adds a pump that pumps liquids in a range.
Nether's Delight
Nether addon for Farmer's Delight
Iron Jetpacks
A fully customizable Forge Energy (FE) based jetpacks mod!

Applied Energistics 2 Wireless Terminals
An addon for Applied Energistics 2 that adds wireless versions of several Terminals
Modular Routers
Flexible item transport using router blocks and pluggable modules
RFTools Control
Automation and logic computer addon for RFTools
Simple Storage Network
A simplified port of the original Storage Network
Botany Pots
Adds pots that you can use to grow crops!
Almost Unified
Unify all resources.
Recipe Essentials
Recipe Essentials improves recipe processing, item comparisons, and the vanilla recipe book
Easy Villagers
Never get annoyed by villagers again!
RFTools Builder
RFTools addon mod adding the builder, shield system and much more
Forestry
Bringing bees, butterflies and more trees. as well as eco-friendly energy production and mail to Minecraft.
RFTools Utility
General RFTools blocks that don't fit in a more specific category
Tesla Core Lib
Minecraft library useful in creating power hungry machines
Powah! (Rearchitected)
A tech mod that adds various ways to generate, store and transmit Energy.
Simple Magnets
Simple Magnets adds Magnets that pickup items around the player!
Integrated Terminals
Terminals for managing and overviewing Integrated Dynamics networks

Environmental Tech
A Tech mod filled with lots of multiblock machines. All machines run off or generate RF/Forge Energy.
Mining Gadgets
Because mining with lasers is cool
Create: Enchantment Industry
Automatic Enchanting, with Create.
AE2 Stuff
Various Extensions for Applied Energistics 2