Maybe you can add routingruler.com?
- It auto-generates all legal routings (capped a 3,000 for now) in MileageMaximizer mode, sorted in decscending order.
- You can plan individually, stop-by-stop in EgoTrip mode.
- Airlines are grouped by their alliance membership.
- Max stops can be set globally and/or by IATA area(s).
- Airport selection for metro area multi-airport systems
- Filtering function included
- Routings can be displayed as great circle arcs on a map in orthographic (globe) or Mercator projection.
- Works with Expert Flyer, KVS Tool, and Amadeus formats.
- A free version with limited functionality
Full disclosure: I developed it.