The NumPy, Scrapy and SciPy folks may disagree :)

don't forget the web.py folks!

And the ultimate: PyPy!

The java equivalent was '4j'. It's mildly useful on a mixed community like HN, you've got some idea before you click through what the target developer audience is.

Or worse, some incredibly eyeroll-worthy pun about coffee.

JavaScript is rather long. This can be an issue with domain names, event names, Twitter handles, etc. "Ruby" is a lot more succinct which is why we tend to use it as-is.

Same reason there are still plenty of Java projects out there that stick a "J" in the start of the name.

Maybe to avoid name collisions?

but the .net guise did such stuff