i3
jp

A next-generation inventory

Loria (alpha)
siegment

Survival in hardcore acid-alien sci-fi themed world

Elepower
IcyDiamond

A powerful modpack

Tool Ranks
lisacvuk

Counts the number of nodes a specific tool has dug

Multiple Biome Generator
chaosomnium

230 Pseudorandomly Generated Biomes, Trees, Fruits, Ores, Tools, and Liquids

Projectiles
Noodlemire

Adds various projectile weapons which work based off of MT 5.3.0's new collision info provided to objects' on_step functions.

Basic Anvil
MikeRedwood

Adds an easy tool repair craft

Tool Enhancement
archfan7411

Allows players to enhance their tools through mese infusion

Ocular Networks
PolySaken

Draw power from the world, and use it to power machines and tools.

NodeCore Adamant
Winter94

Adds Adamant, a new metal ore, deep underground/

Utilities for Underch - extension pack
Hume2

Extend the Underground Challenge by miscelaneous utilities and change some recipes

Trucraft
PolySaken

An alternative crafting system done entirely in the world.

Darks
_Xenon

Adds dark stuff

Axis Tools
PolySaken

All the functionality of tinkers construct, but all in your inventory.

Brights
_Xenon

Adds bright stuff

Base Gameplay Modpack
karlexceed

This combines several other gameplay mods that I consider useful.