Nau Engine is a versatile and free game engine built on open-source principles. It's designed to be accessible to developers of all skill levels, enabling the creation of a wide range of interactive experiences.

Nau Engine is a versatile and free game engine built on open-source principles. It's designed to be accessible to developers of all skill levels, enabling the creation of a wide range of interactive experiences.





Atlas Engine is a solo-developed, semi-procedural map/landscape creation app that generates multiple map styles, biome masks, and height map simultaneously in real time.




Lugdunon is an entirely moddable MMO in which YOU shape the world you want to play in! Run your own server and forge your own continent from the sea. Create creatures with the built in NPC editing tool. Define your own skills, achievements, and items.




GameCraft (formerly Robocraft X) is a game maker where you can build your own physics games from blocks and components without the need to write code. You can also play many games that have been created and shared by others in the community.




Crystal Space is a mature, full-featured Software Development Kit (SDK) providing real-time 3D graphics for applications such as games and virtual reality. It is free (LGPL) and cross-platform (Windows, GNU/Linux, Mac OS X).




LVNAuth is a desktop application that lets you create and view visual novels. Manage your visual novel, from beginning to end, using LVNAuth's GUI editor. A command system: You can start or stop actions in your visual novel by using some simple commands.


GPUOpen is a middleware software suite originally developed by AMD's Radeon Technologies Group that offers advanced visual effects for computer games.

Inquisitor is an engine for browser and multiplatform Interactive Fiction works. It bares similarities to Twine while facilitating creation of worlds with locations and items.

This is a programming software, "SmileBASIC", that allows you to create and play games with Nintendo Switch! The programming language is "SmileBASIC" which is the most suitable language for creating games.



Kocho is a free offline visual novel maker & player which allows you to play, create and share your own visual novel games in an easy way.




Moai SDK is an embeddable cross-platform game development SDK written in C++ and scriptable in Lua. You can use Moai to write games or apps, or you can embed Moai in other programs. You can also use Moai as an overlay in your apps.



JAWA is an online tool which makes it possible to create, free, easily and quickly, point'n'click type investigation / adventure games, playable directly in the browser or in the form of mobile apps (smartphones & tablets).




GameplayKit is an object-oriented framework that provides foundational tools and technologies for building games in iOS, macOS, and tvOS using the Swift programming language and 3rd party rendering and multimedia libraries such as SpriteKit.
RCBasic is a free and open source dialect of the BASIC programming language. It is intended to be a simple and powerful language for developing games and multimedia software with many built-in functions to aid in game and multimedia application development.



ECoS is a modern fantasy console based around the solid foundation of an Entity-Component-System architecture (ECS). Once learned, the use of an ECS can make game development and prototyping much faster and keep your code much more modular, making it easy to reuse, alter and...





Reactor is a fully server-authoritative multiplayer system which includes integrated hosting and orchestration as well as the most efficient networking stack available.
Adliberum Engine is a multiplayer compatible role-playing text adventure engine. Complete with real-time world-building commands; craft text powered games and scenarios alone or with others. Complete with world editing commands; create worlds, games and puzzles that you can...

SEEVN is a visual novel engine (VNE) that allows artists and writers to bring dynamic stories with multiple paths to life, using an easy to understand scene node editor. Let players make their own choices, enter information and arrive at different endings.




Codea for iPad lets you create games and simulations — or any visual idea you have. Turn your thoughts into interactive creations that make use of iPad features like Multi-Touch and the accelerometer.




The Forge is a cross-platform rendering framework PC, Linux, Ray Tracing, macOS / iOS, Android, XBOX, PS4, Switch and Stadia. Particularly, the graphics layer of The Forge supports cross-platform descriptor management, multi-threaded and asynchronous resource loading, shader...




Ursina makes it easier to develop games, visualizations and other kinds software. The concise API combined with the power of the Python programming language, makes life easier for the developer so they can focus on what they are making.


NasNas is a lightweight modular 2D game framework with a focus on pixel art style games. It is entirely written in modern C++17, and doesn't have any dependency other than SFML2. It provides a clean and easy to use API.

App42 Cloud APIs provides a range of 500+ MBaaS APIs for developers to build and deploy their mobile, web, tv Apps on the cloud.