VirtualBox is a family of powerful x86 virtualization products for enterprise as well as home use. Not only is VirtualBox an extremely feature rich, high performance product for enterprise customers, it is also the only professional solution that is freely available as Open Source Software under the terms of the GNU General Public License (GPL).
Presently, VirtualBox runs on Windows, Linux, Macintosh and OpenSolaris hosts and supports a large number of guest operating systems including but not limited to Windows (NT 4.0, 2000, XP, Server 2003, Vista), DOS/Windows 3.x, Linux (2.4 and 2.6), Solaris and OpenSolaris, and OpenBSD.
VirtualBox is being actively developed with frequent releases and has an ever growing list of features, supported guest operating systems and platforms it runs on. VirtualBox is a community effort backed by a dedicated company: everyone is encouraged to contribute while Sun ensures the product always meets professional quality criteria.
What"s new:
- VMM: properly terminate the VM with an error if the guest is trying to switch to the PAE mode but PAE is disabled in the VM settings
- GUI: switch to native file dialogs (Windows hosts only; bug "USB Devices" makes impossible to access any of the ... (closed)">#6983)
- PageFusion: fixed conflict with the guest execution feature
- PageFusion: fixed stability issues with a large number of VMs
- PageFusion: fixed host crashes with guest SMP and Win64 guests
- Memory ballooning: fixed problems restoring VMs with pre-allocation enabled
- Bridged networking: fixed performance issue with GRO enabled on bridged device (bug #7059)
- Hostonly networking: fixed performance issue (3.2.6 regression; bug #7171)
- Guest properties: properly delete transient properties on shutdown
- RDP video redirection performance improvements and stability fixes
- Settings: silently fix host audio driver when reading machine XML settings files or OVF written by VirtualBox on a different host OS, for example convert DirectSound to PulseAudio (bug
News source: Official website Download: VirtualBox 3.2.8 View: Change log