MonoGame

Defold is a free and open source game engine designed for high-performance cross-platform game development. It comes fully featured out of the box, requiring no setup or configuration, allowing developers to simply download the editor and start creating. The engine includes a visual editor, code editor, Lua scripting, Lua debugger, scene editor, particle editor, and tilemap editor, and supports both 2D and 3D game development. With a single codebase and no need for external tools, Defold enables publishing to major platforms such as PlayStation5, PlayStation4, Nintendo Switch, Android, iOS, macOS, Linux, Windows, Steam, HTML5, and Facebook. It offers a component-based system for building games, allowing the use of basic building blocks to create complex behavior, and supports writing game logic using Lua. Developers can add new functionality from the asset portal, set up their own local build environment, and write native code to extend the engine.

Playtester is a free platform that helps gamers discover and join alphas, betas, and playtests for upcoming games across Steam, PlayStation, Xbox, and more. Built by a solo designer/developer, it offers a clean, ad-free experience for players and an easy way for indie developers to get valuable feedback. Since launching three months ago, Playtester has featured 600+ games, welcomed 40,000+ visitors, and introduced features like Direct Install for Steam demos and an Android app (iOS coming soon). Whether you’re a gamer looking for early access games or a developer seeking testers, Playtester makes it simple to connect and play what’s next.