Componentbased

RealmForge project is a cross-platform 3D game engine for .NET. RealmForge is a .NET 3D game engine predecessor to Visual3D.NET (www.visual3d.net), which is a framework and toolset for the visual design and development of 3D games, simulations, and interactive environments using C#, .NET 2.0,... Platforms: *nix

Nameless Engine is an open source game framework for ActionScript/Flex which component-based architecture provides maximum flexibility and extensibility, delivering a rapid development pipeline that can be used in many different games. Platforms: Mac

Dioscuri is an x86 computer hardware emulator written in Java. It is designed by the digital preservation community to ensure documents and programs from the past can still be accessed in the future. The Dioscuri emulator has two key features: it is durable and flexible. Because it is implemented... Platforms: Mac