Not an alternative typology, but interesting from a Socionics perspective anyway: The Michelangelo phenomenon.
Michelangelo is suppoed to have said that when he created a scultpture, it was already present in the stone, he only had to remove the stone surrounding it.
Similarly, a good partner can bring out the sculpture that is already within us. So basically, the Michelangelo Phenomenon and Socionics Duality are similar concepts.
Have fun reading these articles from The Journal of Personality and Social Psychology: