You favorit mod

Big dimension mods like Aether, Twilight Forest, Tropicraft, etc. They add a whole other layer to the game while leaving the primary vanilla experience there in the overworld

My favorite is thaumcraft. I really like this mod because I love the movie Harry Potter and because of this mod I feel like a magician

Nuclearcraft or project E. pretty good are mekanism or gregtech. if u are into building then chisel

Not sure I would call it my favorite, but a mod that I never play without is JEI. When playing with a lot of different mods, JEI makes it easy to figure out how to build anything...

Applied Entergistics is a muuust. Having an ME system for storage completely changes your world when playing minecraft.

My favorite Minecraft mod is Iron Chests, because there is no normal modpacks without it. It's very cool mod

Singular mod? Honestly something simple, treecapitator and similar other mods.
It's just way too convenient to not have to spend ten minutes cutting down trees.

I saw a lot different Mods here.
But what i feel like that what a lot people forget is Optifine itself.
I mean like, its such an good FPS Optimizer.
Or am i wrong in that?

Definetly my favourite.

I love direwolf for a mod pack but the morph mod is one of my tops right behind thuamcraft.

Howling Moon is my favorite. If you combine this mod with Optifine, then you're guaranteed quality gameplay