I2P is an anonymous overlay network - a network within a network. It is intended to protect communication from dragnet surveillance and monitoring by third parties such as ISPs.
"Qubes is a security-oriented, open-source operating system for personal computers. It uses virtualization to implement security by compartmentalization and supports both Linux and Windows virtual environments. Qubes 3.0 introduces the Hypervisor Abstraction Layer (HAL), which renders Qubes independent of its underlying virtualization system."
"ARC Browser is a rom collection browser and emulator frontend that maintains a database of all your games, presented in a user friendly way, and let's you play them using your favorite emulators."