XOrg - most common system
XVesa - alterative to Xorg
Video Driver Information
Vesa - Driver for Xorg
Xf86Videodrivers
XRandr - Video output configuration command
zarfy - resolution changer tool, good for multiple monitors
LxRandr - tool for monitor configuration
Grandr - gtk tool for monitor configuration
Configure Additional Display

Video tips for Puppy and derivatives post
How to get Video hardware information post
Xorg driver update for various cards