Scraps
Goops

Allows to recycle metal tools

obsidian
GigaByte

more uses for obsidian

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!

Obdy
Sires

Adds some pretty OP tools :)

Cave explorer tool
SFENCE

Cave explorer tool to use acoustic signals for undergound exploring.

Boots of Swiftness Mod
ClothierEdward

Adds a new pair of boots called the Boots of Swiftness.

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Knapping Mechanics
csirolli

Adds knapping mechanics API inspired by Vintage story

Livetools
AiTechEye

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

Noriel Sylvire's Minerals Core Modpack
Noriel_Sylvire

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

Grimoire
monk

Override tool functionality during runtime

Strong Wooden Pickaxe
mufigilang

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

Ubertool Mod
HartRend

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

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Nextgen Compass
StarNinjas

A compass item which points towards the world origin.

New pickaxes
Arkatron

Adds new pickaxes

Brights
_Xenon

Adds bright stuff

Metatool
SX

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

Ben's Gear
MissingTextureMan101

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

Darks
_Xenon

Adds dark stuff

Banshee
ElCeejo

Adds Banshees, a ghostly mob that haunts pine forests

Portal gun
AiTechEye

Portals and stuff

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.