Butler is a miracle of configurability. It can duplicate the varied functions of at least eight other best-of-class utilities, and do so elegantly and without compromise.

It had been hovering around my consciousness for more than a year when I decided to spend a little time seeing whether it was really all that it was cracked up to be. Definitely, but it is only when you start fine-tuning and putting it to your own uses that you fully understand what it is capable of. It is like a digital Meccano set: it may not arrive in the form that quite suits you, but you can take it apart and reassembe it in infinite different ways. It would be a rare Mac user who could not somehow work more efficiently or pleasantly with Butler's help.