Massive from Native Instruments is software synthesizer that you can use in several different programs or a stand alone. You can create everything from music to sound effects with it.
In this video tutorial series Akash will go through all the elements of the software before going into creating a few actual effect with it.
Watch the entire playlist here or the first video below.
Want to learn the fundamentals of Digital Audio? Then check out this highly rated Plural Sight course.