Sedimentology
sofar

A mod that adds realistic erosion and degradation of rocks.

Placeable Buckets for Catching Rainwater
Noodlemire

Allows empty buckets to be placed as nodes in order to collect rainwater.

City Block II
sorcerykid

Disables use of water and lava buckets within a designated area

Axis Tools
mt-mods

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

Utilities for Underch - extension pack
Hypernoot

Extend the Underground Challenge by miscelaneous utilities and change some recipes

challenge
josegamestest

challenges to create route challenges or to train flight

Living Grass
karlexceed

Adds a simple lifecycle to grass

Nyfty Blocks
Ryft77

Adds some nifty blocks

Drums
Mitalar_Zinmaer

Adds playable drums with real samples

Trails
X5Dragonfire

Allows you to make paths in grass with ground roller

void grenade
GigaByte

add an void grenade

Ancient Runes
spixi

Ancient Runes

voxelmanip experiments and remade math mandelbox mapgen
chaosomnium

Voxelmanip mapgen with strange layered zone experimental mapgens.

Bed Notifications
Bob64

This adds chat messages that tell other players when a player leaves or enters a bed and when players can sleep.

Medieval (Fork)
DragonWrangler

an addon to darkage

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.

Ghost Snip (spectrum bow)
scorpiox8659

Add a bow named "Ghost Snip"

Hiking Redo
Hypernoot

Complete set of hiking signs

Frozen Energy
bell07

Use frozen energy crystals to freeze water

Candy
Kostivar

Adds candy which you can make from candy ores.

Worldedge
Don

Teleports the player to the other side of the world when they reach the edge.

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Un-Craft Table
Troodon

Adds an uncraft table

Wormball
MisterE

Wormball subgame

Aether
iarbat

Adds a hard to obtain yet powerful substance called Aether.

Fast Build Tool
playduin

Tool for fast box building

X-fangs
Octavian2011

adds suits for speed and look

gooey mess
timm

a funny addon that is a goofy time

Invisible Wall
X17

Adds a simple invisible block

Multitools
ChimneySwift

Adds a series of multi-purpose tools to Minetest

Watershed
paramat

A river / mountain range mapgen

File Cabinets
danil_2461

Adds the file cabinets from Windows.

Kudzu
chaosomnium

kudzu (invasive spreading plant) mod, with useful crafts and items

golden_bread
MR_breaddz

golden bread

The Grue mod
Majozoe

It is pitch black. You are likely to be eaten by a Grue.

Sailing
cakenggt

Live in a tropical paradise where you can sail, mine coconuts, etc.

Cooperative Factions
skiscratcher

Adds factions, allowing players to team together

visible health bar
GigaByte

adds a visible health bar above the player

Random Cool
pl608

Adds random ores on lava cool

Missions
BuckarooBanzai

Adds blocks to create missions with rewards, timeout and penalties.