Mr Crayfish's Furniture
Quark
Nature's Compass
Biome's O' Plenty
Xaero's Minimap
Gravetone
Chisels and Bits
Torohealth
Worldedit
Optifine will need to be downloaded separately
Building Mods:
This modpack includes mostly building-related mods as well as exploration-related. Biomes o' Plenty adds a bunch of new biomes with a lot of new plants and blocks, including new wood types. Nature's compass can help you find any specific biome from the base game or from Bo'P. Quark also adds updates to caves, redstone, and more blocks; they also have a menu to disable any features you don't want to use. Chisels and Bits works with nearly any blocks as well as modded blocks and allows you to build with different sized blocks, all the way down to a one-pixel block! Mr. Crayfish's Furniture mod adds in a bunch of furniture items to improve your home. And finally, WorldEdit allows you to use special commands to make your large-scale projects much easier to build.
Other Mods:
Torohealth displays how many hearts a mob has so you can always know how close you are to killing that stubborn skeleton. The Gravestone mod adds in a gravestone when you die. You no longer need to rush back to where you died to retrieve your stuff as everything will be inside of the gravestone where you died, and you can build more gravestones and put custom messages on them. Lastly, Xaero's Minimap adds a map of the world around you on the top corner of your screen, and it displays mobs, dropped items, and even waypoints that you can make yourself so you can always find your way home and also sets a waypoint for your latest death location. If cheats are enabled, you can also use a teleport button in the menu.