1. Nobody likes javascript. We use it because it's there, but nobody LIKES it
2. A serious lack of sexy. AppJet makes an app that is targeted at hardcore nerds. And then markets it to beginners. Let me tell you somefink - even beginner programmers want to be hardcore. They don't want 'easy' stuff. You want 'quick' or you want 'cool', but not easy.
3. No platform with eyeballs and revenue potential
4. It's a frickin closed eco-system. Each new framework or way of doing things I learn takes a huge amount of my time and effort. The value of that time and effort to me is MASSIVE. No seriously, this is like me paying you $10.000. If you want me to buy a premium product from you that costs that much, then I want to feel pampered. I want a return on this investment. AppJet has no return! No money, no credibility, no Resume relevant qualifications.
5. If AppJet becomes open source, then it needs to offer me a very clear advantage over my current django+python combo. And unless the owners learn how to market to the geeks, this is not going to happen.
My conclusion: Your marketing is very wrong. Either sell to nerds or sell to internet marketers. But not this middle ground with no real defined target.