The Reader application has a feature to view the presets as a sortable list.
A selection of sounds packs:
A selection of Youtube playlists and videos:
Arturia MicroFreak Tutorials :
3rdStoreyChemist : Presets and demo with effect pedals
AutomaticGainsay : Here is a demonstration series of the sound and functionality of the Arturia MicroFreak.
Oscillator Sink : Let's Build... a Pad!
Oscillator Sink : Let's Build... a Classic Lead!