Need a simple pink noise generator?

This free plugin does just one task, generating pink noise. Use it as a test signal for evaluating plugins, as a track level reference, for calibrating your monitors, or gate it off a snare drum (it's automatable, too). A handy companion to MOscillator for test tones.
 
Warning: you are required to give your name and email address, but can opt-out of CredlandAudio's newsletter at the same time. If the name doesn't ring a bell, Jim Credland is best known for his Big Kick kick drum synthesizer and StereoSavage M/S processor and detuner. Both pretty cool but (IMO) a little overpriced at $65 and $79 respectively.

Link didn't ask me for anything....

I can get as good or better mix without the pink noise present by just using my ears.  And the total mix level rms wise being at the chosen reference.  All without that din in your ear.  It is actually an OH&S issue.  
 
One of the issues with pink noise is that it sounds louder than music at the same rms level.  So one could argue that it is in fact a silly concept.  A better approach is using a real VU meter.  With care you can actually get balances rather perfect by just seeing how much more the needle moves as you bring things in.  But it is still only rough guide at best.
 
What is not bad though is having pink noise present down at a low level. That can prevent certain quieter parts from being lost.  Checking your mix in mono though on a small speaker at low volume will also reveal this just as well.
 
I have sat in with some pretty fine mix engineers and none of them did this with the pink noise either. There is no silver bullet for getting a well balanced mix.  It just takes practice and experience.