My Mulch
Don

Turns leaves and other items to mulch blocks

Climbing Pick
lag01

Tool to climb, double jump, and do good damage to mobs.

Quartz Geodes
AwesomeDragon97

Extends the Geodes mod with quartz geodes.

Snow Cones
GreenXenith

Some simple flavored snow cones.

Poly Decor
mt-mods

My spin on decorative stuff.

Cemeteries
SFENCE

Generate graves and cemeteries in world. For Luanti 5.12 and newer.

Cube Nodes
Andrey01

Adds colorful blocks with various symbols as letters, digits, punctuation, emoji and special signs.

Hbdrunk
UnchainedDevelopment

Adds intoxication effects and HUD bar to display intoxication level.

Nextgen Compass
StarNinjas

A compass item which points towards the world origin.

Stardust
alerikaisattera

A mineral found at high altitude and items made with it

BitChange
Krock

Money items for your world. You can mine bitcoins. Sort of.

Horsetail++
TX_Miner

Lets you eat Horsetails from Paleotest. Very helpful in caves!!!

Hardcorebrix
drkwv

Adds durable building materials that won't break on a first dig.

New Biomes
Arkatron

If you like underground biomes, this thing is for you.

Better Roads
DragonWrangler

allows players to make roads with less jagged edges

Cave explorer tool
SFENCE

Cave explorer tool to use acoustic signals for undergound exploring.

bridgemaker
mike.monkeybiter

A refillable machine to easily create simple block bridges across caverns and valleys.

Beautiful Boulders
regulus

Procedurally Generated Rocks with (pretty) Accurate Collision Boxes

Free Stuff Generator
AiTechEye

junk has never been so coveted!

Decraft
iarbat

De-craft items with the decrafting workbench.

Ben's Gear
MissingTextureMan101

Attach tool parts to create new tools and add a whole new layer of strategy to your tool crafting!

Bouncy Leaves
1F616EMO

Adds bouncy and fall damage reduce effect to leaves

Pineapple
Neuromancer

Pineapple crop for tropical biomes

Unstable Caves
M BLOC

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

Tac Nayn
GreenXenith

Adds Nyan Cat's evil twin, Tac Nayn (and a gray-scale rainbow).

Safe TNT
1F616EMO

Apply height restrictions to TNTs

Scraps
Goops

Allows to recycle metal tools

Math blocks
Giulio

Adds decorative math blocks to help in teaching

doorbell
Miniontoby

A doorbell mod with sound

Hexagonal
GreenXenith

Proof of concept for hexagonal nodes

Nyancat's heaven (reworked)
Hybrid Dog

Adds a nyanland in the sky

GetName
kevins

Adds an API and tool to generate random names for NPCs, mobs, and places.

Good Sneaking
zempik10

Makes the player have better sneaking.

Discrete Player API
Hypernoot

A library for games which attaches players to node grid

More Coral
Nathan.S

Adds coral in more colors.

Simple Dice
farfadet46

Simple dice for little games ;)

Spawn redo
cathaya7d4

Drop-in replacement for default/spawn for more third-party biomes

Pink Lava
TenPlus1

Adds pink lava to certain depth of map with new mahogany obsidian block

3D Armor Mobile
LandarVargan

Adds a command to bring up a formspec that allows mobile users to put on armor

Frames
opfromthestart

Frames from Technic since it was removed.