Swamps
Hybrid Dog

Adds swamps

CodeBlock
giga-turbo

Use lua code to build anything you want

Bonified
Shqug

New features related to the bones you get from dead players in MTG.

Rings
Goops

Add rings with temporary player effects

Rain Barrels and Wells
Piezo_

Replaces overpowered "water generators" with a unique water-harvesting system

Infinite Chest
Dragonop

Adds a configurable chest that gives an infinite amount of something.

pilzmod
Phii

a spreading mushroom biome which you can spawn into the world, with its own monsters and a boss you need to slay to stop the biome's growth. Best played with bow & armor mod and after reading manual.

Lava + Water > Stone
1F616EMO

Cool Lava into technically special stones for easier cleanup

vexcazer
AiTechEye

Ultimate build+mine & admin tool

Smoke Signals
Just_Visiting

Signal your friends, or warn your enemies!

Etherium Stuff
alerikaisattera

Decorative stuff using ethereal's etherium dust

Climbable Trapdoors
ZenonSeth

Makes the wood and steel trapdoors climbable

Moonflowers
karlexceed

Adds a rare pale blue flower that glows faintly in the darkness.

My Mason Hammer
Don

A hammer to make stairs, ladders and footholds

Reinforced Diamond Tools
ImAlreadyHere

A sword and a pickaxe that are really strong and can be crafted with diamond blocks and sticks.

Bricks Plus
X17

Adds different brick patterns

OreControl
elnoonlini

Fully configurable ore generation control system

Cones: Traffic and Training Cones
ClassicAdam

Cones. Various use traffic cones and training cones. 3 sizes, 10 colors, 30 cones in total.

Metallicum
Ludus

The power of Titanium!

Medieval (Fork)
DragonWrangler

an addon to darkage

Abritorch
mt-mods

multicolored torches

HUD Analogic Clock
APercy

Adds an analogic clock to hud

golden_bread
MR_breaddz

golden bread

Loose Rocks
eduardomezencio

Adds loose rocks which generate randomly on the surface.

The Confluence
MisterE

A luamap example - a small (500x100x500) Island in the middle of the ocean with 4 rivers that run from the center to the sea.

Utilities for Underch - extension pack
Hypernoot

Extend the Underground Challenge by miscelaneous utilities and change some recipes

Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

Clay Bricks
AwesomeDragon97

Adds colorful clay bricks.

Titanium
Hybrid Dog

Adds titanium which is very strong and lasts for a long time.

blackhole containment box
Soundwavez

cool swirvy gravitational blackhole boxes, that can be used to "ahnialate" enemy bases, or for "deforestation" aah i love abms! (extra dramatic!))

Multitools
ChimneySwift

Adds a series of multi-purpose tools

Placeable Buckets for Catching Rainwater
Noodlemire

Allows empty buckets to be placed as nodes in order to collect rainwater.

Chocolatestuff
lazerbeak12345

Adds edible chocolate tools and armor.

Fast Build Tool
playduin

Tool for fast box building

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

void grenade
Giga_M

add an void grenade

Basic Anvil
MikeRedwood

Adds an easy tool repair craft

Digiline Stats
Darin755

A mod that adds a few digiline blocks to get server information

Jukeloopbox
ulla

A simple jukebox that can be used for small looped tracks, or simply to listen to music

Multiplant
Firefall

Grow Multiplants and get a random seed or flower!