If you're looking for visual aids to assist you in your instrument playing and learning scales, then we have a few useful links here too.
Typically a chord sequence will have around 4 chords to begin with, but you can customize as you go and export when you're ready to use it within your DAW.
This is a great way to get started with making a melody in FL studio, Logic Pro X, Ableton, etc. So what is a random chord generator? Well, simply put, a chord progression generator can create random harmony sequences.