Fast Build Tool
playduin

Tool for fast box building

Build Easy Box
epCode

A handy tool allowing the creation of large structures with minimal effort (in survival!).

My Mason Hammer
Don

A hammer to make stairs, ladders and footholds

Simple Tape Measure
OgelGames

Adds a simple tape measure.

Trails
X5Dragonfire

Allows you to make paths in grass with ground roller

Fancy Place
DragonWrangler

Better block placement system that allows you to place blocks even when not pointing at the connecting face.

Camps
ApolloX939

Bring your base with you

Nodecore Paint
Kimapr

Paint anything on node surfaces

Falling Dirt
karlexceed

Makes dirt nodes fall just like sand and gravel.

gooey mess reborn
timm

a funny addon that is bigger,better, and a lot more of a goofy time

Hotbar Switching
frogTheSecond

Implements a way to switch your hotbar to another row. Inspired by better than adventure.

Staffs
CalebJ

Staffs with various uses

scaffolding (flux's version)
fluxionary

scaffolding, to help in building projects.

ExplorerTools All (Tools place item on right click)
Kilarin

Tools place item in next inventory slot on right click

Touch interaction configuration
j-r

Configure item touch_interaction property to your preferences

Wings
xXNicoXx

Wings is a mod whiche allows server owners to give players fly privs while holding the wings (Like binoculars) made by xXNicoxx

Handle Schematics
Sokomine

A library to make creating and placing saved areas easier.

portal gun
Giga_M

add a portal gun

Simple streetlight spawner
mt-mods

Adds various streetlight "spawners" (5m tall, supports multiple pole materials and light sources)

Invsaw
mt-mods

adds a circular saw feature and button to the unified_inventory

Turtlebots Classroom
jmole

A game with only turtlebots, to prevent kids from getting distracted by other blocks.

Hopper Compatibility
Bob64

Adds hopper compatibility for other mods like technic, elepower and even connected chests!

Lava Furnace for Mineclonia
bgstack15

Furnace that is fueled by nearby lava, for Mineclonia

Builders wand
rstcxk

Building tools

worldedit terraform command
Mjokfox

a terraform command for worldedit

Circuits
Sheriff_Unit_3

Circuits, a mesecons alternative.

End Portal Wand
TomCon

Adds a wand item for easy placement of end portals on right click.

Colored Chests
SkyBuilder1717

Adds a colored chests!

Worldedit Big Schematics Handling
IRI

World Edit commands allowing to create and place large schematics, as well as maintain a command journal for undoing past actions.

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.

Knapping Mechanics
csirolli

Adds knapping mechanics API inspired by Vintage story

hexcol color picker
Mjokfox

color picker for hexcol

Knapping Mechanics For VoxeLibre
SOS-Games

Adds knapping mechanics API inspired by Vintage story

More Snow
Sokomine

snow and wool for stairs - nicer winter landscape and snow-covered roofs

Lua Controller Block
LC Creations

Adds a block that functions like a Lua Controller but has 'e' (down) and 'f' (up) pins and ports

Floating Anchor
Starbeamrainbowlabs

ExtraUtilities' Angel Block for Minecraft in Luanti! Place structures in mid-air with ease.

Lategame Amulets
Comet

A cohesive progression system that builds on Mobs Monster

Automatic Cave Lighting
Hybrid Dog

Add two chatcommands to automatically light up dark places (e.g. caves) with lighting nodes such as torches.

Better Locks
SkyBuilder1717

Adds locks and locked doors

Trowel for wall building
Linuxdirk

Vertically modify adjacent nodes of the same type with a single click.