My Cobble
Don

This is a simple mod that lets you turn cobble into gravel and gravel into sand

Poly Decor
mt-mods

My spin on decorative stuff.

Tac Nayn
GreenXenith

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

TerraContent Corruption
AirplaneMan

Adds the Corruption

Renewable Fireflies
mecha_moonboy

Registers an ABM on some ground blocks that spawn fireflies if certain criteria are met.

Fareboxes and Faregates
1F616EMO

Signal-emitting fareboxes and faregates

Dragonbone Stuff
Robot10&Scheletor

Adds dragonbone set

Leather Armor
X17

Adds an armor made of leather

Livetools
AiTechEye

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

A Cute Flower
lml55

Adds an innocent flower with some head armor

Grow Dry Grass
Silver Sandstone

Makes dry grass spread on savanna dirt.

Waste
Jolesh

Adds Waste and ways to recycle it into useful resources

Spawn redo
cathaya7d4

Drop-in replacement for default/spawn for more third-party biomes

Sugar
X17

Adds eatable sugar made of papyrus and a sugar block

Underground Survival Lighting
Arkatron

If you like underground light in survival, use this mod, it can help that.

Mesecons Stealthnode
Clyde

Register your own Ghoststones.

Macro Crafting Manager
sorcerykid

Macro Crafting Manager provides a streamlined drag-and-drop interface for dividing and arranging item stacks within the craft-grid

Color Blocks
mt-mods

Contains colored building blocks.

My Regen Chest
Don

Spawns items when opened and will not again for determined amount of time

Technic use Battery
1F616EMO

Use energy from RE batteries in the inventory

Gift Wrapped
Bas080

Wrap nodes in gift wrapping and place a ribbon ontop to show you really care.

Stardust
alerikaisattera

A mineral found at high altitude and items made with it

rtp
bookgirl

Random teleport commands (/rtp and /wild)

Beautiful Boulders
regulus

Procedurally Generated Rocks with (pretty) Accurate Collision Boxes

sfinv++
swagtoy

Improves the inventory, and fixes some formspecs throughout some mods.

Colored Steel
cd2

Adds colored steel blocks.

MathPlot
kyleclaassen

A tool for constructing mathematical curves/surfaces/solids.

Mine
SkyBuilder1717

Adds many types of mines

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

Alternate Gravel
soeren

the mod adds 32x32 pixels 2x alternative gravel

More Coral
Nathan.S

Adds coral in more colors.

Technic Recipes
alerikaisattera

Extra recipes for processing various items with Technic machines

My Appearance
Don

Change Your Appearance

My Land
Don

Claim your land and protect it

Geodesy
SFENCE

Geodesy tools and items

Ores Expansion
Groin

Adds a new ore ( for now ) called "Rozeemerald".

Tile Floors
ClassicAdam

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

My Siding
Don

Adds lines on one side of block to make it look like siding

Colored Leaves
Otto

Adds several colors of leaves

Randomized Map-specific Ores
Piezo_

Adds two randomly created ores to each world with varying properties depending on the world's seed