3D Armor
stu

Visible player armor & wielded items.

Draconis
ElCeejo

Adds advanced Dragons and powerful equipment.

i3
jp

A next-generation inventory

Ranged Weapons
davidthecreator

Adds some guns and throwable weapons.

X Bows
SaKeL

Bow and arrows

Obsidian Swords
Dragonop

Adds the Obsidian Dagger, Sword, and Longsword. Also Obsidian tools, for completeness.

Spears
Echoes91

Adds spears, versatile weapons that can be thrown.

More Swords
JAstudios

Adds more powerfull swords that have various abilities.

Alien Material
debiankaios

Adds new blocks, items, and tools from aliens. A new time begins.

Doors Redo
TenPlus1

Doors mod with key tool to open, lock or protect any registered door.

Castle Weapons
FaceDeer

Provides several medieval weapons for use around castles

Mineclone2 Multitool
DuckGo

4 tools in one !

Multiple Biome Generator
chaosomnium

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

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.

Airtanks
FaceDeer

Provides pressurized air tanks for extended underwater excursions

Tool Ranks
lisacvuk

Counts the number of nodes a specific tool has dug

More Pickaxes
Koda_

Adds additional pickaxes to the game

Painted 3D Armor
Beerholder

Adds banners to your armor, either painted using the painting mod or created using the banners mod

Minimap Radar
OgelGames

A simple mod that enables the use of the minimap radar with a craftable item

Base Modpack
karlexceed

This combines several other mods that I consider a basic minimum starting point for worlds.

Bows
AiTechEye

A easy bow mod with arrows

Powerbanks
OgelGames

Adds portable powerbanks used to charge technic tools

TreeCapitator
Hybrid Dog

It works like the timber mod but it destroys the leaves and the fruits, too.

Portal gun
AiTechEye

Portals and stuff

Grappling Hook
doctor_ew

A throwable grappling_hook

Death Compass
FaceDeer

A compass that points to the last place you died

Lighting Rocket
lag01

For temporary lighting large areas

Handholds Redo
TestificateMods

Adds additional functionality to pickaxes as a climbing tool

Hook (survival tools)
AiTechEye

Survive & climbing tools

Multitools
ChimneySwift

Adds a series of multi-purpose tools to Minetest

Basic Anvil
MikeRedwood

Adds an easy tool repair craft

Darks
_Xenon

Adds dark stuff

Multitool Mod
thediamondlego

Adds a new tool that does the job of all the other tools(except hoe and screwdriver). Also has bouble the durability of a diamond tool!

Trucraft
PolySaken

An alternative crafting system done entirely in the world.

Kitty/Kitto Ores
nemokitty9

Nemokitty9's own ore pack. Includes Tools!

Livetools
AiTechEye

Craft tools which have a life of their own - they can fight, dig, or place for you

Axis Tools
PolySaken

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

NodeCore Adamant
Winter94

Adds Adamant, a new metal ore, deep underground/

Brights
_Xenon

Adds bright stuff

Symmetool
Nigel

Symmetric building tool for MineTest.