Obdy
Sires

Adds some pretty OP tools :)

Ben's Gear
MissingTextureMan101

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

Strong Wooden Pickaxe
mufigilang

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

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Batch Screwdriver
niwla23

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

Knapping Mechanics
csirolli

Adds knapping mechanics API inspired by Vintage story

Technic Grass Clean
1F616EMO

A tool like chainsaw, but cut grass, not tree.

Scraps
Goops

Allows to recycle metal tools

New pickaxes
Arkatron

Adds new pickaxes

Brights
_Xenon

Adds bright stuff

Darks
_Xenon

Adds dark 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

Silver
Jackknife

adds silver ore and tools

Lakemaker Mod
sunnysideup

A TNT block that makes lakes/bodies of water.

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.