CraftersBox

Mod list w/out libraries:    -    TLDR; just a simple summary of what each mod does

Appleskin  -  See your hunger and saturation

AttributeFix  -  Allows certain values to go higher than vanilla allows

Basic Nether Ores  -  generates vanilla and a few modded Ores in the nether

BetterEnd (Forge)  -  Adds 13 new alien-like biomes to the end, like giant lakes with weird fish or dark and creepy forests to beautiful crystal mountains

Better Hunger  -  lets you eat even when full, and when your hunger bar empties you instantly die

Biomes O' Plenty  -  Adds idr how many biomes, completely overhauling the overworld

Cosmetic Armor Reworked  -  allows you to hide your armor or wear a set of decorational armor

End Remastered  -  makes getting to the end more difficult, as you need 11 unique eyes of ender found in the structures of the world

Enhanced Mushrooms  -  makes mushroom stems into a new wood type

Exotic Birds  -  adds over 100 new birds that spawn naturally and a unique egg system

Fairy Lights  -  adds many new decorational light sources

First-person Model  -  Allows you to see your body in first person

Janoeo  -  generates dense ores and new ores across the 3 dimensions

Just Enough Items (JEI)  -  lets you view all items and their recipes

Just Enough Resources (JER)  -  ^ but also shows mob drops and chest loot

Ma Enchants  -  adds new enchants like multi jump or lumberjack

Neat  -  visualizes health in using health bars

Not Enough Animations (Forge/Fabric)  -  shows more animations in 3rd person, and in 1st person if enabled, like eating or rowing a boat

OptiForge  -  allows optifine to be run with forge

Pam's HarvestCraft  2 - Food Core  -  adds many new foods using vanilla items

Performant  -  greatly increases performance

Quark O' Plenty  -  adds missing quark features to Biomes O' Plenty, like unique chests or leaf piles

Quark Oddities  -  Stuff that's too weird for default quark

Quark  -  adds a Lot of smallish features, like frogs, new stone types, a pickaxe boomerang, and many more!

Scaling Health  -  Allows you to increase your max health and damage, and slowly increases difficulty over time

Serene Seasons  -  the seasons will now change, letting snow fall in biomes that couldn't before, or getting warm enough to begin melting a snowy taiga

Simply Tea!  -  adds tea trees and teapots with brewable teas

Smooth Boot (Forge)  -  makes the game not lag out when first booting up

Sneaky Magic  -  hides curses and allows incompatible enchants to work together

Somnia Awoken  -  makes sleep more intuitive, as you can sleep whenever you're tired, and staying up too late causes side effects

Sound Filters  -  adds reverb to caves and muffles sound in water or behind wool blocks

Survival Overhaul  -  Adds a temperature system and new armors to warm you up or cool you down

Tetra  -  adds an in depth modification system to your tools, allowing the creations of knives, mattocks, adzes and more

Towers Of The Wild  -  large towers will semi rarely spawn, containing a waystone and a chest at the top

Upgrade Aquatic  -  upgrades the oceans again, with new coral, easier to get nautilus shells, and two new wood types

Valhelsia Structures  -  adds a few new structures scattered about your world

Voyage  -  adds new biomes without adding any new blocks, like a flower plains

Waystones  -  allows you to teleport to other waystones you've discovered, and can be moved

YUNG's Better Caves (Forge)  -  amplifies caves, making them larger, more immersive, and easier to get lost in

YUNG's Better Mineshafts (Forge)  -  makes mineshafts a tad rarer, occasionally spawn with a surface entrance, and generally makes them bigger and look better

Libraries:  -   ALL of these are simply requirements for one or more of the mods listed above. Don't really do anything on their own.

Abnormals Core  

AutoRegLib  

Bookshelf  

DiaboloLib

Fabric API ( "required" by the first person mod, since that mod is for both fabric and forge. Deleting this in the curse app also deleted the first person mod, so I left it.)

mGui

Patchouli

Silent Lib

YUNG's API (Forge)