Gauges
Calinou

Adds health and breath gauges above players.

City Block II
sorcerykid

Disables use of water and lava buckets within a designated area

Areas
ShadowNinja

Areas is a advanced area protection mod based on node_ownership.

VPS Blocker
Lejo

Block players using vpns, proxys or other hosting services

Protector Redux
sorcerykid

An efficient and flexible node-based protection scheme for multiplayer worlds

Trophies
sorcerykid

Showcase player achievements with a personalized gold cup

Auth Redux Lite
sorcerykid

Robust and lightweight authentication handler for use on servers

Protector Redo
TenPlus1

Lets players craft special blocks to protect their builds or disable PVP in areas.

Anti Exploit
LMD

Protects against exploits

More Swords
JAstudios

Adds more powerfull swords that have various abilities.

Keyring
louisroyer

Adds keyrings.

Antigrief
sorcerykid

An API for validating node and item placement via a simple callback mechanism.

Anti Lava Area
Emojiminetest

give admin power to anti lava in some region.

Technic Addons
Mineminer

Adds additional content to Technic. Currently adds mk2 and mk3 chainsaws and vacuums, as well as medium and large cans.

Ban Hackers!
Emojiminetest

Temporary ban players or IPs with 5 wrong password attempts

Fancy Vend
ChimneySwift

A full-featured, fully-integrated vendor mod for Minetest

Parties
Zughy

Team up with your friends and create a party!

Virtual Key
louisroyer

Adds virtual keys registerers.

You Can't Take It With You
Warr1024

NodeCore players leave their items behind, accessible to other players, when they log out.