Beautiful Boulders
regulus

Procedurally Generated Rocks with (pretty) Accurate Collision Boxes

Saphire
Ryft77

Adds saphire stuff

Hoverboard
mazes

Hoverboards

Sleeping Mat
kestral

Simple sleeping mat made out of grass.

Pink Lava
TenPlus1

Adds pink lava to certain depth of map with new mahogany obsidian block

Handmill
Nordal

Adds handmills and threshing floor.

Safe TNT
1F616EMO

Apply height restrictions to TNTs

Waste
Jolesh

Adds Waste and ways to recycle it into useful resources

Boots of Swiftness Mod
ClothierEdward

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

Library Mount
Panquesito7

API Framework for mounting objects.

Maple tree
Duvalon

Adds a maple tree placed during world generation.

Dirt Tunneler
Neuromancer

Makes dirt deeper and you can tunnel through it just by walking through it. Press spacebar/shift to tunnel upward/downward with auto placed ladders.

moneybag
GigaByte

add money bag

Colored Leaves
Otto

Adds several colors of leaves

Decraft
iarbat

De-craft items with the decrafting workbench.

Uncrafter
JoeEnderman

Adds an uncrafting table

Brick Walls
philipmi

Adds brick walls from different types of bricks.

Kill History
LMD

Adds a kill history

Dragonbone Stuff
Robot10&Scheletor

Adds dragonbone set

More Fuels
pl608

Adds a few new fuels for use in furnaces such as gasoline and petrolium

Secret
artur99

Adds hidden and secret nodes.

faction items
GigaByte

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

daymachine
niwla23

Make day by using one mese crystal!

Trucraft
mt-mods

An alternative crafting system done entirely in the world.

Fareboxes and Faregates
1F616EMO

Signal-emitting fareboxes and faregates

Scripted World Editor
Neuromancer

API that allows you pass in scripting tables to fill a series of shapes of different sizes with different nodes

Rock Piles
Neuromancer

Adds rock piles which generate randomly on the surface and in caves

Ultra colors
mobilex1122

mod with super bright colors blocks

Mesecon Node
1F616EMO

Make all node have mesecon_wire version

Atriumic
Firekiller

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

Frames
opfromthestart

Frames from Technic since it was removed.

Tac Nayn
GreenXenith

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

Dye Mixer
LRV

This mod removes the mixes of dyes and the crafting recipes that allow you to dye wool and make them craftable in the Dye Mixer.

Parcdeco
Floatland

adds grass-like nodes that have flowers

Drawstruct
Xenon

Draw or generate random structures

Snow Cones
GreenXenith

Some simple flavored snow cones.

Elepower Fixes
Bob64

This aims to fix some of the problems with the elepower modpack.

Stardust
alerikaisattera

A mineral found at high altitude and items made with it

CSperson's Simple Pebbles
CSperson

A very simple mod that adds natural detritus. Doesn't do much besides that.

Sneeker
AntumDeluge

An explosive nuisance.