VirtualBox is an open-source virtualisation application that rivals paid for offerings by VMWare and Parallels.

Tips

• Making the console faster
  • On Ubuntu VMs, edit /etc/modprobe.d/blacklist-framebuffer.conf and add blacklist vga16fb (via Tao Of Mac via Quentin)
• Command-line management of VMs
  • VBoxManage with either startvm / controlvm