Apps similar to GeeXLab include Godot Engine, which is free and open source. Other options are Unity, Unreal Engine, GDevelop and Wick Editor. You're spoiled for choice with Game Development Tools like GeeXLab: we list more than 50 alternatives for Windows, Mac, Linux, the web and Android.
FreeBASIC is a completely free, open-source, 32-bit BASIC compiler, with syntax similar to MS-QuickBASIC, that adds new features such as pointers, unsigned data types, inline assembly, object orientation, and many others.
Flax Engine is claimed the most agile game engine. It's open source, cross-platform and it lets you write scripts in C++ and C# seamlessly. Also focused on lightweight development. A true game changer.
Poland
EU
The Atomic Game Engine features a cross-platform editor with deployment to Windows, OSX, Linux, WebGL, Android, and iOS. Applications can be built using JavaScript, TypeScript, native C++, and C# scripting is in development.
Java framework providing unified API for building 2D or 3D games across desktop, mobile, and browser platforms, with hot code swapping, rapid prototyping, modular architecture, integrated physics, input, asset tools, and support for desktop-native debugging.
Alice is an innovative 3D programming environment that makes it easy to create an animation for telling a story, playing an interactive game, or a video to share on the web. Alice is a teaching tool for introductory computing.
United States
Duality is a modular 2D game engine / editor combo, written entirely in C# and built on top of an OpenGL backend. It's open source, features an open architecture that invites extensibility and technical ownership, and it embraces C# as a language rather than a scripting...
Cocos Creator is a complete package of game development tools and workflow, including a game engine (based on Cocos2d-x), resource management, scene editing, game preview, debug and publish one project to multiple platforms.
Making games as the '80s arcade games. Includes Run'n'Gun, vertical & horizontal Shooters or Platform, makes games as Pac-Man, Commando, 1942, Ghosts 'n' Goblins or Gauntlet, with sprite sheets, pixel art, sound fx, & music. You get arcade feel.
SpainEU
batari Basic (bB) is a BASIC-like language for creating Atari 2600 games. It creates a binary file that can be run on an Atari 2600 emulator or the binary file may be used to make a cartridge that will operate on a real Atari 2600.
The Graphics Development Engine for Business and Industry. Build high-quality 3D solutions and deploy to any platform.
SpainEU
QICI Engine is a free and opensource JavaScript library, based on free and opensource game engine Phaser, with a web-based comprehensive suite of HTML5 game making editor.
United Kingdom
Australia
