App Inventor lives! MIT's servers on the other hand...8
A quick check shows that the service seems to be back up at the moment, although it’s possible that the web app’s stability may fluctuate throughout the day depending on server load. Regardless, it’s a great way to get your feet wet in the world of coding, so if you’ve always wanted to try to make that brilliant app idea that’s been floating around in the back of your head, then give the source link a click and see what app you can invent!
source: MIT via Android Central