What makes you think they aren't getting faster?
Years ago, four trillion instructions processed would have accomplished something powerful, something business critical. Now all it means is you've booted up.
The end user doesn't care about a waveform inside a box, all they know is computers are slower and less productive than ever.
Write your own; that's the only way of staying sane. (It's especially atrocious with vertical market applications, of course. Not only does the SW I used to use in the past suck more and more, but it doesn't even keep adding the features I really need.)