Description
Main content mods:
Immersive Engineering + Immersive Petroleum
Create
Minecolonies
World Additions:
Oh the Biomes You'll Go
YUNG's Better Caves and Better Mineshafts
Various balance tweaks and convenience additions, world flavor (e.g. Serene Seasons) and a whole set of decorative/building blocks and additions.
Get the datapack:
Custom recipe tweaks for the pack, my preferences for balance!
https://www.curseforge.com/minecraft/customization/its-not-rocket-science-2-datapack