highly recommended

A high-performance rendering engine replacement for Minecraft, which greatly improves frame rates and reduces micro-stutter.

A modern shader pack loader for Minecraft intended to be compatible with existing OptiFine shader packs

A Sodium addon that adds features that shouldn't be in Sodium.

Food/hunger-related HUD improvements

Alternative Options Menu for Sodium

A Minecraft mod that provides realistic sound attenuation, reverberation, and absorption through blocks.

A core mod

#listentonature

Makes resource packs load in the background, allowing you to do other things while waiting!

Better Advancements tries to improve the UI and UX for the advancements system in minecraft 1.12+ in a modded environment

A Level of Detail rendering mod

Make your world feel more immersive by adding a gradual erosion system to the terrain you walk on.