[nickbee]

At the end of the day, you can compile and run anything on your machine.

Not really. You have to pay the ransom^W^W$100 for a developer account every year.

[wlesieutre]

You can run stuff without it, but the builds expire after 7 days so it's a nuisance in practice.

[SalimoS]

not anymore, for your personal use you don't need to pay, but the build will expire in 7 days