Obsidian Swords
Dragonop

Adds the Obsidian Dagger, Sword, and Longsword. Also Obsidian tools, for completeness.

Castle Gates
FaceDeer

This is a mod all about creating castle gates and dungeons

More Swords
JAstudios

Adds more powerfull swords that have various abilities.

Assets_warehouse
JALdMIC

Some assets for decorative purpose

Bodyanim
dacctal

Player bodies follow their walk direction, and player heads follow their look direction. Based on Lone_Wolf's headanim

Uranium Stuff
Epoxum

Adds Uranium tools and armor, compatible with technic.

Coloredwood
mt-mods

Colorize some wood!

3D Armor Gloves Redo
BryanGruik15

Adds gloves/gauntlets with 3d_armor.

Charcoal
X17

Make charcoal from trees and use this as fuel

Simple Furniture
Tarruvi

Adds a selection of furniture with simple designs

LWComputers
mt-mods

Adds programmable computers and robots, and sundry.

Mese Portals
mt-mods

A futuristic multiplayer transportation system

Lanterns
gergelypolonkai

Lanterns you can put on the ground or mount to the wall or the ceiling

Decorations Sea
mt-mods

Adds many new types of seaweed, kelp, corals and other sea decorations, distributed across biomes

Skinmaker
GreenXenith

In-game live player skin editor.

Scythes & Sickles
TestificateMods

Adds scythes and sickles with unique applications for farming

Caverealms
HeroOfTheWinds

Adds underground realms.

Void Chest
MeseCraft

Access your belongings anywhere by using the power of the void chest!

MOAR! ARMOUR!
Duvalon

Additional armours to build and wear

Darkage - the original plus improvements
addi

DarkAge adds several new nodes and crafts to create a pre industrial landscape.

Boost Cart
Krock

This mod offers improved minecarts and a few more rail types.

Armor HUD bar
Wuzzy

Adds a HUD bar displaying the current damage of the player's armor.

Flight
Amaz

Adds three different methods of flying, wings, jetpacks and flying carpets.

Magma Conduits
FaceDeer

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

block physics
Giga_M

Add pieces of broken blocks when breaking them.

Angled Walls
TumeniNodes

Angled & Sloped Walls, Angled Glass, & Angled Doors

C Doors
TumeniNodes

Adds centered doors and villa-style windows.

ArtDeco
TumeniNodes

Just adds some new building blocks.

Bows
TenPlus1

Adds bows and arrows to game. Fork of the mod by AiTechEye

Badlands
AwesomeDragon97

Adds the badlands biome, which contains plentiful clay and gold.

TP Stairway
joe7575

Simple stairways and bridges for your buildings and machines

3D Armor Gloves XTended
Geraos16

Adds support for multiple gauntlets materials

Hardcore Farming
Neuromancer

Makes farming a hardcore challenge by adding very hungry pests. Can you overcome them or will they defeat you?

Quartz
Evergreen

Adds quartz ore and some decorative quartz blocks

MobConf
zeuner

Place, remove and configure Mobs (for now: NPCs) using chatcommands

Mymonths
Don

Adds days of the week and months. Also weather, including rain and snow.

Gemstones
Koda_

Adds Gemstones to the game

Mylandscaping
Nathan.S

Lets you put up decorative walls around your gardens, and make pretty hardscapes.

Geodes
AwesomeDragon97

Adds amethyst geodes and an API for making custom geodes.

Easy ores
X-DE

Minetest Game ores now generate higher up