A bunch of create mod addons and decoration mods, along with The Essential mod, Intended create a fun experience with friends.
A summary of the the mods included is Create and many of it's addons;
Biomes O' Plenty, Tectonic, and Terralith to improve world generation;
Applied Energistics, Refined Storage, and Storage Drawers for improving in-game storage;
Jade, JEI, Embeddium, and Polymorph for visual/crafting quality of life;
And many mods dedicated to implementing compatibility and making the game run smoother.
For a more detailed list of mods added, see below.
Some noteable Create mods included are:
Create: Misc & Things
Create Big Cannons
Create Central Kitchen
Create Crafts & Additions
Create Nuclear
Create Stuff & Additions
Create Copycats+
Create: Dreams and Desires
Create: Garnished
Create: Molten Vents
Create: Steam and Rails
Create: The Factory Must Grow
Trackwork
Notable experience enhancing mods:
Biomes O' Plenty
Carry On
Chunk Loaders
Clean Swing Through Grass
Corpse
Distant Horizons: A Level of Detail mod
Effortless Building
Embeddium
Jade
Just Enough Items (JEI)
Inventory Sorter
Just Zoom
Simple Clouds
Tectonic
Terralith
Traveler's Backpack
Waystones
Xaero's Minimap
Other notable mods:
AppleSkin
Applied Energistics 2
Clockwork: Create x Valkyrien Skies
Essential Mod
Eureka! Ships! for Valkyrien Skies (Forge/Fabric)
Framed Blocks
Rechiseled
Included is also many of Macaw's mods and YUNG's mods.