Claymore
GigaByte

adds a powerful sword capable of deforming the ground

Cave explorer tool
SFENCE

Cave explorer tool to use acoustic signals for undergound exploring.

Dragonbone Stuff
Robot10&Scheletor

Adds dragonbone set

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Saphire
Ryft77

Adds saphire stuff

faction items
GigaByte

add some items to be used as prizes for special events or player achievements

Ben's Gear
MissingTextureMan101

Attach tool parts to create new tools and add a whole new layer of strategy to your tool crafting!

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

An API for automatically registering recipes, nodes and ore generation.

Ocular Networks
mt-mods

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

Darks
_Xenon

Adds dark stuff

New pickaxes
Arkatron

Adds new pickaxes

Livetools
AiTechEye

Craft tools which have a life of their own - they can fight, dig, or place for you

Batch Screwdriver
niwla23

With this you can rotate all nodes in a row at once

Grimoire
monk

Override tool functionality during runtime

Unified Hammers
Linuxdirk

Various hammers that can be used to crush nodes.

Multitool Mod
thediamondlego

Adds a new tool that does the job of all the other tools(except hoe and screwdriver). Also has bouble the durability of a diamond tool!

Ubertool Mod
HartRend

Provides a combination pick, shovel, and axe tool capable of extreme function. Tool is also illuminated.

Scraps
Goops

Allows to recycle metal tools

Obdy
Sires

Adds some pretty OP tools :)

Strong Wooden Pickaxe
mufigilang

Add strong wooden pickaxe that destroy stone as fast as diamond pickaxe

Brights
_Xenon

Adds bright stuff

Metatool
SX

Provides API to register node metadata tools along with few useful tools

Banshee
ElCeejo

Adds Banshees, a ghostly mob that haunts pine forests

Portal gun
AiTechEye

Portals and stuff

Balrog Sword MT 5.4
DragonWrangler

allows those using the old mobs balrog mod to have balrog swords

Throwable Bombs
DragonWrangler

adds a cave expansion tool, a throwable tnt stick, a throwable smoke bomb, and a mob throws tnt

Lakemaker Mod
sunnysideup

A TNT block that makes lakes/bodies of water.

Silver
Jackknife

adds silver ore and tools

Stair Pick
BrandonReese

This is a specialized pick for making stairs.

Too many ores
TeufloV

This adds 53 new ores. But most of them are useless.