RPCS3 is described as 'open-source Sony PlayStation 3 emulator and debugger written in C++ for Windows and Linux' and is an app in the Development category. There are six alternatives to RPCS3 for Windows, Linux, Mac, Android and iPhone. The best alternative is OpenEmu, which is both free and Open Source. Other great apps like RPCS3 are Play! PS2 Emulator (Free, Open Source), Xenia (Free, Open Source), Nucleus (Free, Open Source) and MultiEmulator (Free).