Tile Floors
ClassicAdam

Various colors of tile flooring in 16px and 256px res

Tac Nayn
GreenXenith

Adds Nyan Cat's evil twin, Tac Nayn (and a gray-scale rainbow).

Hardcorebrix
drkwv

Adds durable building materials that won't break on a first dig.

Explosion proof obsidian
Miner34

Adds an explosion proof obsidian.

Obdy
Sires

Adds some pretty OP tools :)

Alternate Gravel
soeren

the mod adds 32x32 pixels 2x alternative gravel

Smart Renting
AiTechEye

Smart renting: Rent out your locked things and earn money!

Protector Redux
sorcerykid

An efficient and flexible node-based protection scheme for multiplayer worlds

Dyeable Steel Blocks
nemokitty9

Allows Players to dye Steel for decorative blocks.

Invisible Blocks
Truemmerer

Add invisible Blocks

Quarry Link
gabriel1379

Enables use of Quarry Mechanics with the stone-like and resource-nodes of other mods.

Colored Stone
Clyde

provides colored stones.

Colored Steel
cd2

Adds colored steel blocks.

Atriumic
Firekiller

Adds a new biome, new blocks, new armor and more.

Ultra colors
Jan Palma

mod with super bright colors blocks

Portal gun
AiTechEye

Portals and stuff

Stack Slabs
TumeniNodes

Stackable slabs

Silver
Jackknife

adds silver ore and tools

Better Fences
ChimneySwift

Improves the usability of fences by making fences which connect to less than 2 other fences connect to all nodes.

Secret
artur99

Adds hidden and secret nodes.

Real Elevators
Andrey01

Adds realistic elevators with smooth moving.