Minetest Game
Luanti

A basic exploration, mining, crafting, and building, sandbox game with no NPCs, monsters, or animals. Minetest Game is usually used with mods added, and many mods are available for this game.

Mineclonia
ryvnf

Survival sandbox game inspired by Minecraft.

i3
mt-mods

A next-generation inventory

Edit
Johannes Fritz

Allows copying, pasting, filling, deleting, replacing and saving 3D areas

Mineclonia Furniture & Decorations
rudzik8

Adds a variety of functional furniture and decorative blocks to Mineclonia and VoxeLibre (ex. MineClone2)

Woolen Mesh Creator
entuland

Not only wool! Miniaturizes builds and allows rebuilding them too

Cottages
Sokomine

Build medieval cottages with furniture, window shutters and roofs, thresh your wheat, repair your tools.

Loria (alpha)
siegment

Survival in hardcore acid-alien sci-fi themed world

Holo-Surveilance
RisingLeaf

Observe terrain and players from anywhere.

celevator
cheapie

Fully functional realistic elevators

Cave Game
olive

The simplest block game.

Terraform
x2048

Adds terraforming tools to your creative toolbox

Minetest Classic
sfan5

The classic Minetest-c55 0.3 experience brought back

Pixel ImPerfection
bramaudi

Pixel Im(proved)Perfection aim to be close and familiar to Minecraft texture.

Block Exchange
BuckarooBanzai

Cloud worldedit schema exchanger

Stapled Bread
Krock

Adds the functionality to staple bread to trees

Universal geometry realm
paramat

Create worlds of varying shapes

Badass Mech
Soundwavez

An addon that adds a badass mech, or “BAM” (this is a cool mech if the name is in any way confusing).

Researcher
EmptyStar

Research items to unlock duplication

Cave Explorer
Hypernoot

An utility for cave exploring in creative

creative fuel
Oxalis

infinite fuel

Extruder Tool
fgaz

Adds an extruder tool that can extend continuous surfaces towards the node face that was clicked

WorldEdit Additions
Starbeamrainbowlabs

Extra tools and commands to extend WorldEdit. Currently has over 70 commands!

Brickbuild
ROllerozxa

A basic studded brick building game

The Build Spawner
Thunder1035

Gives build spawner for spawning builds which makes city creation easy

Railbuilder
rlars

This mod allows you to plan and build tunnels and rails for Advtrains.

Colorlandia
dibesfer

🎨 21 colorful biomes to explore, much more than 256 colorful nodes to create whatever you imagine. 🌈

Linetrack
1F616EMO

Advtrains adoption for boats, buses, etc. that follows a line

Tunnelmaker
kestral

Easily create arbitrarily curved tunnels, paths, and bridges.

Itemshelf
zorman2000

Generic item shelf with 3D items on display

Interior Decor
wsor4035

adds some decor items with limited functionality

Chest with Everything
ROllerozxa

Adds a chest node containing all registered nodes, items and tools.

Cups
Wuzzy

Decorative cups.

Pickblock
ROllerozxa

Allows you to put the selected node in an empty slot of your hotbar when you're in creative mode.

Cloud Control
ROllerozxa

Control whether clouds are enabled on per-player basis

Japanese_letters_modpack
ofg

Japanese hiragana blocks

aw_personaje_anthro
JALdMIC

This mod is for try to sponsor the Makehuman and give the player a more realistic model

Map Tools
Calinou

Adds various special versions of normal blocks, tools, and other map maintainer tools.

Dreambuilder Game
mt-mods

Dreambuilder is my attempt to give the player pretty much everything they could ever want to build with, and all the tools they should need to actually get the job done.

More TNT
mittelmaessigercoder2

Adds more TNT