Bochs is a highly portable open source x86 PC emulator ... capable of running most Operating Systems inside the emulation including Linux, DOS, and all versions of Windows... and the images are portable from one host OS to another.
Kaltura Community Edition is a self-hosted, community supported version of Kaltura's Open Source Online Video Platform. Following installation any site can gain comprehensive video and rich media functionalities including video management, searching, uploading, importing, editing, annotating, remixing and sharing. It is intended to solve all your video-related needs, and allow you to easily create your own rich-media applications - all behind your own firewall and on your own servers.