There's also Bluerock, as yet another example. I've worked with both companies though I get nothing from mentioning them here. My point is this is a (suddenly) crowded market - perhaps more so than you realized - so you should consider what exactly is different about your product and why that matters, and then make that obvious to prospective buyers.
And I know Harold well at Bluerock. I totally agree that the market is crowded and will only get more crowded which is a good sign that the problem is real.
And yes I totally agree with you that differentiation is the key. I can't say that we have figured this out 100% but our approach is always community first, open-source first. I hope that is the right direction in the long run.