Extreme Randomizer
NO11

Randomises crafting, mob and block drops.

MineClone2 Speedrun
AFCM

Speedrun features for MineClone2

KSurvive
MadKamel

A game that changes much of MTG's gameplay.

Multiple Biome Generator
chaosomnium

230 Pseudorandomly Generated Biomes, Trees, Fruits, Ores, Tools, and Liquids

Brights
_Xenon

Adds bright stuff

i3
jp

A next-generation inventory

Basic Anvil
MikeRedwood

Adds an easy tool repair craft

Sticks Stones
MikeRedwood

Makes Sticks from leaves and scatters small stones

Claycrafter
Dragonop

Introduces the Claycrafter, which converts Compressed Dirt to Clay using Glasses of Water.

Loria (alpha)
siegment

Survival in hardcore acid-alien sci-fi themed world

Projectiles
Noodlemire

Adds various projectile weapons which work based off of MT 5.3.0's new collision info provided to objects' on_step functions.

Poly Decor
PolySaken

My spin on decorative stuff.

NodeCore Adamant
Winter94

Adds Adamant, a new metal ore, deep underground/

Base Gameplay Modpack
karlexceed

This combines several other gameplay mods that I consider useful.

Trucraft
PolySaken

An alternative crafting system done entirely in the world.

Darks
_Xenon

Adds dark stuff

Plastic Box
Starbeamrainbowlabs

Adds a recolourable plastic box. Fork of @cheapie's version with improvements.

Axis Tools
PolySaken

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

Ocular Networks
PolySaken

Draw power from the world, and use it to power machines and tools.

Tool Ranks
lisacvuk

Counts the number of nodes a specific tool has dug

Crafting Guide
jp

The most comprehensive Crafting Guide for Minetest.