Micdoodle8 - Galacticraft

Tinkers Construct - Tinkers' Construct is a mod about putting tools together in a wide variety of ways, then modifying them until they turn into something else.

Immersive Engineering - Immersive Engineering is a tech mod with a certain charm, based on the ideas and concepts, and with most assets created by Damien Hazard.

GitHub - VazkiiMods/Botania: A magic themed tech mod for Minecraft based on nature and plant life.

A magic themed tech mod for minecraft based on nature and plant life git hub vazkii mods botania a magic themed tech mod for minecraft based on nature and plant life

Thermal Foundation + Dynamics + Expansion - A server-friendly and content-rich blend of magic and technology! Title is three different mod names, but of the same series and usually played together.

GitHub - Railcraft/Railcraft: The Railcraft Mod for Minecraft, source and development.

The railcraft mod for minecraft source and development git hub railcraft railcraft the railcraft mod for minecraft source and development

Actually Additions - Actually Additions is a technology mod that adds various utilities like multitools, item magnets, atomic reconstructors and so on.

GitHub - AppliedEnergistics/Applied-Energistics-2: A Minecraft Mod about Matter, Energy and using them to conquer the world..

A minecraft mod about matter energy and using them to conquer the world git hub applied energistics applied energistics 2 a minecraft mod about matter energy and using them to conquer the wo

Draconic Evolution - One of the best tech mod there is, but really overpowered in the late game. Adds things like a Draconic Power Core which no one has been able to fill yet…

Ender IO - A large ender themed mod, that just adds lots of new fun things.

Official documentation of OpenComputers [OpenComputers]

ComputerCraft | Programmable Computers for Minecraft

WarpDrive - Adds Star Trek and other franchise like ships, weapons, transporters and so on into the game. Also adds new planets (dimensions).