Breasy
Bas080

A mod that will tell you what the wind is like at a position.

Unified API for in-game currency
1F616EMO

Unified API for currency management

achievements_lib
Zughy

Add unlockable achievements to your game and mods

Cartographer
Hugues Ross

A mapmaking API. Needs additional mods to function.

Basic Ownership
sorcerykid

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

HUD Timers
LMD

A lightweight library for adding hud timers.

House Windows
DiamondPlane

Adds windows for your house

Documentation System
Wuzzy

A simple in-game documentation system which enables mods to add help entries based on templates.

Moblib
LMD

Low-level high-performance entity library

Formspec Library
LMD

Formspec string builder & event handler callbacks

Object UUIDs
Silver Sandstone

Assigns a persistent UUID to every object.

Held Item Models & Animations API
TomCon

A powerful API adding in an easy system to integrate full 3d models when holding items.

Attributes Effects
SFENCE

Provides API for various effects over attributes of players/mobs

Splooshy Bombs API
ekl

API for block-flinging bombs

Mobs Effects
SFENCE

Provides predefined attribute effects without apply logic for mobs based on Mobs Redo API, modifying movement, combat, and behavior attributes

Giad
ekl

WIP Library for creating walking vehicles

flinv
Luke

API to add new inventory tabs which work across different inventory mods

Hitboxes Library
SFENCE

Provide functions for specify and recognize hit areas on entities/players.

Journal
theFox

Do you want to add story to your game? Make your protagonist write notes into his Journal.

player attributes
fluxionary

API for defining abstract, compositional player attributes

Combine Slabs
X-DE

Allows you combine slabs

GetName
kevins

Adds an API and tool to generate random names for NPCs, mobs, and places.

TPH's Notenodes
TPH

Provides musically charged nodes for playing music - unique instruments + options

Xmaps
erle

Adds map items that show terrain in HUD

Player Visibility Api
erov

Easily manage player visibility in a similar way to area protection

Pillars
citorva

Add a lot of pillars for fun.

CSMT Bots (Obsolete)
Logikí

Add bots to your game for training

Events API
TPH

API for creating, handling, and permitting function registration calls for custom events

Template to Easily Make Fancy Voxelized Models
Noodlemire

Provides voxelmodel.obj, a model designed to be shaped by changing its texture, in order to easily create fancy voxelized models.

monster_api_gb
Giga_M

add an api to create bosses

Common Mob Interface
Byakuren

A standard modding interface for interacting with mobs

Kill Log
Wuzzy

Allows mods to display the recent player kills, deaths and other game events

Lockout
ApolloX

Late-stage Security for Servers

Item Holders
Jose_ManuelS18

Adds 'Item Holders', blocks that hold your items in display, also provides a API.

TPH's Doors API Redo
TPH

(INTENDED FOR DEVELOPERS) Attempts to ease and better simplify door mechanics + registration

hand_monoid
fluxionary

player monoid for controlling the look and abilities of the player's hand.

Simple Models
AntumDeluge

Very simple models.

Function Delayer
Hybrid Dog

Allows executing functions after a delay to reduce possible lag (EDD scheduler?)

Weapons API
Stix

Adds an API to easily register custom weapons

Item Help
Wuzzy

Adds automatically generated help texts for items.