A collection of tools for AI Behaviour in the Godot 4 Game Engine!

• UpdatedSep 18, 2025
• GDScript

An advanced behaviour tree solution for the Unity game engine

• UpdatedSep 15, 2023
• C#

Simple event driven Behaviour tree for Unity projects

• UpdatedSep 25, 2024
• C#

FyWorld - Base-Building / Simulation Game & Tutorial in Unity

• UpdatedDec 28, 2022
• C#

C++ behavior tree single header library

• UpdatedSep 22, 2023
• C++

A xNode based tool for designing AI Graphs like Behavior Trees and Finite State Machines in Unity

• UpdatedFeb 5, 2022
• C#

SimpleAI is a small C++ AI behaviour tree based library with a QT5 based remote debugger (and with optional LUA bindings) released under MIT.

• UpdatedNov 16, 2019
• C++

A lockstep ARPG demo for LockstepEngine

• UpdatedSep 8, 2019
• C#

Behaviour tree editor for Unity3D

• UpdatedMar 14, 2020
• C#

• UpdatedDec 27, 2022
• C#

A tool to build and execute behaviour trees in JavaScript and TypeScript

• UpdatedJul 24, 2025
• TypeScript

Typescript/Javascript behavior tree library with a fluent API

• UpdatedSep 24, 2020
• TypeScript

Package behaviortree provides a simple and powerful Go implementation of behavior trees without fluff.

• UpdatedJun 24, 2024
• Go

Memory-compact BehaviorTree (use c# unsafe pointer && struct)

• UpdatedJan 8, 2023
• C#

Toy example for running a simple behavior tree with ROS2

• UpdatedJun 1, 2023
• C++

C# Unity AI Behaviour Tree library for

• UpdatedMar 23, 2019
• C#

Web editor for typed tree structures. (like decision / behaviour trees)

• UpdatedJul 19, 2023
• TypeScript

Behave.

• UpdatedSep 24, 2020
• C#

A modular and extensible behavior tree framework for AI development in C# for the .NET and Godot Engine.

• UpdatedSep 22, 2025
• C#

Functional Behavior Tree Design Pattern: simple, fast, debug-friendly, and memory-efficient behavior tree in C#/Unity

• UpdatedAug 30, 2025
• C#