vbetool is described as 'small application that executes code from the BIOS of your video card. This is mostly useful for reinitialising the hardware, for instance after ACPI suspend/resuming' and is an app in the System & Hardware category. There are seven alternatives to vbetool for Linux and Windows. The best alternative is hwinfo, which is both free and Open Source. Other great apps like vbetool are cpuid (Free, Open Source), Dmidecode (Free, Open Source), yacpi (Free, Open Source) and read-edid (Free, Open Source).
read-edid is a pair of tools (originally by John Fremlin) for reading the EDID from a monitor. It should work with most monitors made since 1996 (except for newer ones with 256-byte EDID's - WiP), assuming the video card supports the standard read commands (most do).
DRIconf is a configuration applet for the Direct Rendering Infrastructure. It allows customizing performance and visual quality settings of OpenGL drivers on a per-driver, per-screen and/or per-application level.