It's like a very lightweight version of cloud 9 IDE that doesn't offer a ftee trial version. I signed up to just test it and they don't offer a free trial and then forgot I had it since I didn't use it much after the first couple days due to it being vastly inferior to cloud 9. Even though I canceled part way through my second month they refused to give any sort of refund, not even a partial one. Save yourself the hassle and just go with cloud 9, nothing to see here.