Good news! We've teamed up with software developers Meta Function to bring you a FREE Max For Live mono synth. Its called the Mono Junction and features a single oscillator with multiple waves - including a couple of PWM variants - of course!
There's also some free banks of sounds crafted by Certified Ableton Live Trainers. Details available after you've downloaded Mono Junction.
Mono Junction Features:
Single OSC - TRI/SAW/SINE/SQUARE with PWM, NegSawPW
Multiple filter modes: 24dB low pass, 24dB High Pass and BandPass, 12dB Low, High Pass, Bandpass, Diode 18dB and Transistor 24dB models.