CPU frequency setting plugin - what's it called?

[Chris Green]

On Tue, May 01, 2012 at 10:58:40PM +0100, Chris Green wrote:
> A while ago I installed a panel plugin which showed the CPU frequency
> and allowed setting the frequency, for example one could lock the CPU at
> maximum speed if one wanted.
> 
> Can someone tell me what the pluging is called because I can't find it
> now. 
> 
I've realised what I was using was the gnome CPU frequency applet,
installed using xfapplet which is no longer available.

So, what alternatives are there for setting/fixing CPU speed?

-- 
Chris Green