i3
jp

A next-generation inventory

Too Many Stones
JoeEnderman

35 new stone types that all spawn in the world on all mapgens but v6.

Dreambuilder Game
mt-mods

Dreambuilder is my attempt to give the player pretty much everything they could ever want to build with, and all the tools they should need to actually get the job done.

Loria (alpha)
siegment

Survival in hardcore acid-alien sci-fi themed world

DragonEggLock
mi.sh

You can lock a Dragon Egg so it doesnt teleport away

tides & floods
Lemente

Adds the /sealevel command to rise/lower the sealevel.

Edit
Johannes Fritz

Allows copying, pasting, filling, deleting, opening and saving 3D areas

Instabreak
Mentos

Instantly break (most) construction blocks.

Interior Decor
wsor4035

adds some decor items with limited functionality

ColorBrewer palettes for cartography
pauldpickell

8-bit ColorBrewer palettes texture pack

Tunnelmaker
kestral

Easily create arbitrarily curved tunnels, paths, and bridges.

More TNT
mittelmaessigercoder2

Adds more TNT

Extruder Tool
fgaz

Adds an extruder tool that can extend continuous surfaces towards the node face that was clicked