The source code of Oracle VM VirtualBox 4.0 is still being made available, but just as with 3.x, the source code is not available for the additional drivers, which are now found in the extension pack.

Oracle makes its first major release of VirtualBox and brings with it a new extension pack structure that should allow third-party expansion.

VirtualBox 7.1: Share files more easily between Windows and Linux VirtualBox receives many important functions with a major update. However, Oracle is removing the evaluation option for guest ...

These instructions show how to setup VirtualBox for PXE/Netboot, share a vdi hard drive among users/ accounts on a mac and how to move the VirtualBox settings or preferences between users. I assume ...