Cars (Ultimate Car Mod): Easy transport of items and allows you to produce gas (Doesn't work with Electrodynamics)
Planes and Helicopters (Simple Plains): Good for exploring and long distance travels. (Doesn't work with Ballistix, but works with MrCrayfish's gun mods to shoot missiles and bullets out of aircrafts.)
Electricity (Electrodynamics): Adds machines to automate processing items and new ores.
Nuclear Stuff (Nuclear Science): Adds Uranium and Plutonium, and some reactors to produce electricity (Works with Electrodynamics)
Explosives! (Ballistix): Ever wanted to make a minefield? Will now you can! Create nuclear weapons for destruction. (Works with Nuclear Science)
Trains! (Ultimate Transport): Create speedy railways to travel back and forth from place to place. And elevators!
Guns (MrCrayfish's Gun Mod and Addition Guns): What is war without guns? Adds plenty of guns to suit your needs. Also attachments!
More storage (Iron chests and Iron Barrels): Upgrade chests and barrels.
Tanks! (Trajan's Tanks): You can't forget your tanks with war! Adds 5 tanks and an Anti-tank artillery.
Security (Security craft): If you have all of this stuff you need to protect it! Adds tons of items to help protect you from intruders.
Boats (Boatload and Fireproof boats): With crimson/warped boats you can ride it on lava! Adds bigger boats for more people as well as furnace powered boats. Attach banners to them too!
More food! (Farmer's delight): Adds more variety to foods, we need something that doesn't involve wear in here.
Furniture and décor (MrCrayfish's Furniture mod and Supplementries): Sit back, relax, and eat in your luxury kitchen that you just made using this mod! Adds a lot of furniture!
Structures! (When Dungeons Arise): Tons more structures to explore and hopefully not die in.
Extras: Voice chat, XP clumps, JEI, and Shulker box tooltip

warcraft mine

Additional Guns

Alchemistry

AlchemyLib

Anvil Never Too Expensive

Architectury API

Ballistix

Banner Unlimited

Bettas

Bettas Delight (A Farmer's Delight Add-on)

Blueprint

Boatload

Brewin' And Chewin'

ChemLib

Clumps

Coffee Delight

Controlling

CoroUtil

Crafting Automat

Cultural Delights

Difficult Caves