VirtualBox - VirtualBox is a powerful x86 and AMD64/Intel64 virtualization product for enterprise as well as...
Z26 - Z26 is one of the best emulators for the Atari 2600.
QEMU - QEMU (short for "Quick EMUlator") is a free and open-source hosted hypervisor that...
Steem Engine - Steem is an open source Atari STE emulator for Windows and Linux.
Proxmox VE - Proxmox is an open-source server virtualization management solution that offers the ability to manage virtual server technology with the Linux OpenVZ and KVM technology.
jGameBase - jGameBase is a fully-featured retro-gaming emulator frontend and game database utility.