Before you go on the search for a new Max for Live synth, check out this one from Meta Function who teaed up with our friends at SonicState to bring it to you for free. The synth is called Mono Junction and it features a single oscillator with multiple waves. In true Nick Batt style that includes a couple of PWM variants (but, of course!)
Here's a video of it in action:
Ableton Live 9.6.2 and Max For Live 2.7.3 up
Get your free copy here: bit.ly/sonicsynth
Learn Ableton Live in the AskAudio Academ here.