Jazz Pack is put together with a focus on a almost Vanilla style experience, just with a lot more to do. It's got tech, magic, and even mob mods, as well as some specific compatibility tweaks introduced using CraftTweaker.
Some notable additions and changes are Twilight Forest with it's progression order disabled, Time Control used to double the length of days and nights, and Survival Overhaul to introduce temperature management.
Here is a mod list
[SBM] Jukebox
[TFB] Anthro Origins
Abnormals Delight
Alex's Delight
Alex's Mobs
Allurement
Antique Atlas
Antique Waystones
AppleSkin
Aquaculture 2
Atmospherix
AutoRegLib
Autumnity
Bamboo Blocks
Berry Good
Blueprint
Bountiful (Forge)
Buzzier Bees
Buzzy Drones
Chisel
Citadel
Cloth Config API (Forge)
Clods: Wandering Trader
ConnectedTexturesMod
Craft The Totem of Undying [FORGE & FABRIC]
Crafting Automat
CraftTweaker
Create
Create Crafts & Additions
CreateTweaker
Curios API (Forge)
Curios Quark Oddities Backpack
Decorative BlocksDrip Sounds (Forge)
Dynamic Surroundings
Eidolon
Eidolon Recipes
Engineer's Decor
Environmental
Extra Boats
Fairy Lights
Farmer's Delight
Farmer's Delight Compats
Farmer's Tea
Fast Leaf Decay
FastWorkbench
Flywheel
GeckoLib
Geode
Goblin Traders
Guard Villagers
Honey Expansion (Add-on for Farmer's Delight)
Immersive Engineering
Immersive Petroleum
Infernal Expansion
Islands
JEITweaker
Just Another Rotten Flesh to Leather Mod
Just Enough Items (JEI)
Just Enough Keys [JEK] [Forge]
Just Enough Professions (JEP)
Just Enough Resources (JER)
Kotlin for Forge
Morpheus
Mouse Tweaks
Mowzie's MobsNeapolitan
Nether's Delight
Obfuscate
Origins (Forge)
Personality
Placebo
Portable Jukebox (Forge)
Potions Master
Pyromancer
Quark
Quark Oddities
Repurposed Structures (Forge)
Savage & Ravage
Selene Lib
Serene Seasons
Shutup Experimental Settings!
Simply Tea!
Sound Filters
Spice of Life: Tonio Edition
Stoneholm, Underground Villages (Forge)
Supplementaries
Survival Overhaul
Tea Kettle
The Endergetic Expansion
The Irregular Chef! (A Farmer's Deligth Add-on)
The Twilight Forest
Time Control
Traveler's Titles (Forge)
Twilight Decor
Twilight Tweaks
Upgrade Aquatic
Useless Sword
Valhelsia Core
Valhelsia Structures
Vanilla Recipes+
VanillaTweaks [Fabric & Forge]
WaystonesWilds
YUNG's API (Forge)
YUNG's Better Caves (Forge)
YUNG's Better Dungeons (Forge)
YUNG's Better Mineshafts (Forge)
YUNG's Better Strongholds (Forge)