gooey mess
timm

a funny addon that is a goofy time

Trails
X5Dragonfire

Allows you to make paths in grass with ground roller

vexcazer
AiTechEye

Ultimate build+mine & admin tool

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!).

scaffolding (flux's version)
fluxionary

scaffolding, to help in building projects.

Extended Placement
gamefreq0

Allows placing nodes below/behind the closest node to where you are looking, when you're looking at the air where said node would go.

Falling Dirt
karlexceed

Makes dirt nodes fall just like sand and gravel.

Hotbar Switching
frogTheSecond

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

Staffs
CalebJ

Staffs with various uses

Nodecore Paint
Kimapr

Paint anything on node surfaces

Disable Build Where They Stand
LMD

Disables placing blocks at places where they would collide with a player

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

portal gun
GigaByte

add a portal gun

Hopper Compatibility
Bob64

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

Turtlebots Classroom
jmole

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

worldedit terraform command
Mjokfox

a terraform command for worldedit

Lava Furnace for Mineclonia
bgstack15

Furnace that is fueled by nearby lava, for Mineclonia

WorldEdit Undo
Hybrid Dog

Undo and Redo executed WorldEdit chat commands

Simple streetlight spawner
mt-mods

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

Colored Chests
SkyBuilder1717

Adds a colored chests!

Invsaw
mt-mods

adds a circular saw feature and button to the unified_inventory

More Snow
Sokomine

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

Automatic Cave Lighting
Hybrid Dog

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

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.

BridgeTool
Kilarin

Adds a new "bridge tool" that makes placing stone (or glass, earth, or any material) while building a bridge in no-fly mode easy.

WorldEdit Wall Block
SkyBuilder1717

Adds block and item for making big structures easily as possible.

computer
GigaByte

Add a computer with basic functions.

EZ Voxel Builder
MAIgtoS

Allows player to easily place, remove, copy and paste nodes (blocks) in bulk.

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.

Floating Anchor
Starbeamrainbowlabs

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

Instant Sapling Growth
Panquesito7

Instantly grows sapling and trees when placed. 🌳

Aquamarine
RasPiManiac

Adds Aquamarine ore, ingots, etc.

Short Names for worldedit
niwla23

Adds short number aliases to some nodes like in MC

Stack Slabs
TumeniNodes

stackable slabs for Minetest

Scanner
Thresher

Lets you read and write books via digilines

More Ladders
SkyBuilder1717

Adds more ladders and sticks!!!

Lua Controller Block
LC Creations

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

Technic use Battery
1F616EMO

Use energy from RE batteries in the inventory