Clay Bricks
AwesomeDragon97

Adds colorful clay bricks.

Craftable Lava
MikeRedwood

Enables the crafting of lava from baked stone

Raw Ore Blocks
Silver Sandstone

Adds block forms of metal lumps.

Chains
X17

Adds chains to climb or decorate

XBlocks
GamingAssociation39

Additional blocks for decoration/building

potal launcher
Soundwavez

Potal Launcher

Better Locks
SkyBuilder1717

Adds locks and locked doors

3d ores!
Soundwavez

a slick new take on the default ores!

Etherium Stuff
alerikaisattera

Decorative stuff using ethereal's etherium dust

Metallicum
Ludus

The power of titanium

Flower Beds
ZenonSeth

Flower Beds for growing flowers

Infinite Chest
Dragonop

Adds a configurable chest that gives an infinite amount of something.

Quarry Mechanics
kestral

Adds quarry mechanics to stone nodes.

pilzmod
Phii

a spreading mushroom biome which you can spawn into the world, with its own monsters and a boss you need to slay to stop the biome's growth. Best played with bow & armor mod and after reading manual.

Oxidizing Copper
StarNinjas

This mod aims to make copper/bronze more realistic by making them slowly oxidize into a bluish/green block when exposed to water.

HUD Analogic Clock
APercy

Adds an analogic clock to hud

Rain Barrels and Wells
Piezo_

Replaces overpowered "water generators" with a unique water-harvesting system

Bonified
Shqug

New features related to the bones you get from dead players in MTG.

Power Rangers Modpack
LC Creations

Adds power rangers and an API to create your own.

block physics
GigaByte

Add pieces of broken blocks when breaking them.

MTC Chisel
Can202

Add Chisel and new decorative blocks.

Slats
v-rob

Adds decorative slats that have a lot of uses.

Music Player
Jose_ManuelS18

Adds a music player and discs

Tomahawks and Throwing Knives
Pixelated

Introduces new weapons

More Stones
Blocky Player

Provides a variety of educational and decorative minerals and rocks.

Medieval (Fork)
DragonWrangler

an addon to darkage

Multiplant
Firefall

Grow Multiplants and get a random seed or flower!

My Mason Hammer
Don

A hammer to make stairs, ladders and footholds

Cones: Traffic and Training Cones
ClassicAdam

Cones. Various use traffic cones and training cones. 3 sizes, 10 colors, 30 cones in total.

Watershed
paramat

A river / mountain range mapgen

Swamplified
Neuromancer

This mod adds a few more nice touches to Atlante's Swamp biome mod

Fast Build Tool
playduin

Tool for fast box building

Loose Rocks
eduardomezencio

Adds loose rocks which generate randomly on the surface.

Smoke Signals
Just_Visiting

Signal your friends, or warn your enemies!

Chocolatestuff
lazerbeak12345

Adds edible chocolate tools and armor to Minetest.

Axis Tools
mt-mods

All the functionality of tinkers construct, but all in your inventory.

Ephesus
Horka

Added ancient architectural blocks from the Mediterranean

Morebricks
CalebJ

Adds an assortment of new bricks to build with.

The Confluence
MisterE

A luamap example - a small (500x100x500) Island in the middle of the ocean with 4 rivers that run from the center to the sea.

Multitools
ChimneySwift

Adds a series of multi-purpose tools to Minetest