VirtulaBox is an open source software to run virtual systems on top of a physical system. Virtual systems are normally used for providing separate environment for each client sharing a single physical system. Developed by Oracle
License: Open Source
Bochs is an open-source emulator that provides extensive customization and supports various CPU architectures, making it ideal for developers and testers. In contrast, VirtualBox is a more user-friendly virtualization software that supports a wider range of guest operating systems and offers robust features like snapshots and cloning.