I thought I should mirror this post here for anyone that might find it useful. Its not my github, but it has a nice, concise approach to a few dsp topics accompanied by graphs.

https://jackschaedler.github.io/circles-sines-signals/

• have a good one

I think it's precisely what I needed to finally understand a few things. Thanks a lot.

Hey, then you might want to check this out as well. This is more than a visualization, this lets hear the waveform being made by adding the partials. I love this stuff. http://bgrawi.com/Fourier-Visualizations/

I found another one, this time from oregon university. This requires flash to see or hear the examples, but is broader and a little deeper of a read.
http://pages.uoregon.edu/emi/13.php

Bezier curves this time.
https://www.jasondavies.com/animated-bezier/
https://buildingvts.com/mathematical-intuition-behind-bezier-curves-2ea4e9645681#.43afsmx4i

@Monetus

Thanks a lot!!! Increadible!