Fraps is a program for Windows which allows one to take screenshots and record video from DirectDraw, Direct3D and OpenGL applications. It can also display the current framerate in 3D games, whenever, wherever.

I got to know Fraps when a friend of mine was looking for in-game videos to use in her video presentation for school. Another friend recommended Fraps.

That's the phrase to describe it.
Fraps is small and simple. It hasn't got any special advanced features. Only the basic things are included, which I find it to my liking: you don't need to study a 500-page manual before you can use Fraps; it's practically plug-n-play - in this case: install-n-play.

First of, there's the FPS counter  ...