Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

Just a Mountain
Deadlock

Adds a Mountain (4000x2000 blocks large, 1000 blocks tall)during worldgen around a configurable position

NodeCore Flood
Hussell

Water floods caves

Farming Flood
AFCM

Makes all plants floodable

SzUtilPack
Warr1024

A collection of misc dependency-free utilities primarily for server hosts

Lava Ore Gen
Coder12

Makes the lava turn stone into ore over time.

PaleoTest for Hades Revisited
SFENCE

Adds Not Only Prehistoric Fauna and Flora to Hades Revisited.

Snowdrift
paramat

Light-weight weather mod with snow, rain, and clouds.

XaEnvironment
AiTechEye

A game that aims to contain lots of environments and things.

Grow Dry Grass
Silver Sandstone

Makes dry grass spread on savanna dirt.

Mineclonia
ryvnf

Survival sandbox game inspired by Minecraft.

daymachine
niwla23

Make day by using one mese crystal!

Calendar Node
Wuzzy

Adds a placeable calendar

Day-Coin Vote
Tomlaus

Adds an item that allows you to vote on whether it should become day!

Unstable Caves
M BLOC

Some stones may cave in if punched, making underground expeditions more risky.

Weather
theFox

A weather mod.

golden lava
Giga_M

add golden lava

Unlit Music
LuantistDork

Official OST for Unlit

Scary Ambience
StarNinjas

Adds scary sounds, and music to nighttime and caves.

Blood Splatter
shaft

Blood splatter for players and creatures

Cozy Lights
SingleDigitIq

Early alpha. Improves the way light sources(torches etc) behave and allows to create huge lights, literal projectors with just a mouse click, light map will be computed for you.

Giant Mushroom/ Mushrooms
Hybrid Dog

Add mushrooms and giant mushrooms.

Clump Fall Nodes
Noodlemire

Makes most nodes able to fall without enough support.

Draconis
ElCeejo

Adds terrifying Dragons and powerful equipment.

MineClone2 Build Limit
AFCM

Add a build limit to MineClone2

Magma Conduits
FaceDeer

Removes default mapgen lava and adds widely-spaced vertical lava "veins".

Better Trees
csirolli

Makes trees more realistic.

NodeCore Lignite
Winter94

Adds Lignite, an ore of coal. Now outdated, please use NodeCore Coal instead. See Below.

Moon Phases
TestificateMods

Changes the moon to follow a cycle between eight different phases.

Beautiful Flowers
1faco

Adds many flowers to MT

NodeCore Steam: Resurrected
Winter94

Adds Steam & Basic Steam Behavior To NodeCore

Regrowing Fruits
philipmi

Fruits on trees from various mods will regrow.

Epic Combat
hilol

Fight your enemies with various weapons and protect yourself with distinct sets of Armour, whilst sharpening your skills in PVP and PVE.

Fallen Nodes Redo
csirolli

Makes dirt, cobble, snow, straw and cactus nodes fall. Fork of Hamlet's fallen_nodes. May be destructive to existing worlds.

SnowSong, the EPIC Sound Pack
tacotexmex

SnowSong, the EPIC Sound Pack

Sounds
AntumDeluge

A set of free sounds & API.

Kill history hud
Giga_M

adds a death history on the screen

Saturation Adjustment
ROllerozxa

Adds a chat command that allows you to adjust the saturation of the graphics.

Ecliptic Cycle (Moon Phases)
Extex

Adds lunar events and moon phases by shifting the moon in and out of a lunar eclipse.

K Ambient Light
ketwaroo

Pseudo ambient lighting to banish the deep dark night. Allows a few extra granular tweaks and override options.