No there is not. I have kind of the feeling that Anki users are tough to convince to switch to an online platform (judging by comments I've received so far). It's tough since you'd have to find a corresponding flash card for each flash card in Anki. But if there was enough interest I'd probably see what I can do. Maybe just provide a JS API so users can write an import script? Just a thought, not a promise.
It would be a bit of a copyright nightmare. My economics cards are _all_ copyright infringing, either copy and pasted summaries or definitions from different textbooks.
Please use the category "Engineering". Categories are currently hard coded and some have special handling in front-side code so categories will have to be manually requested.
I think Latex support is interesting. I could lazily load it and then render it. Something to think about for the future...