None, he gave up after Apple blocked them once.
There were actually a couple attempts, but it’s kinda in Apple’s hands… I think he was hoping he could generate enough public outcry to force them to not block it. You can also still access it now, if you have your own mac.
Further, Beeper is just a re-skinned Matrix client with the Beeper company hosting the open source bridges between services
It’s their own client, not just reskinned, and it has a bunch of new features designed to make cross-service nice and simple. Also, the bridges ARE open-source, but the beeper company wrote a few of them and decided to open source them.
Don’t let Migicovsky take your money and mismanage it again.
He refunded everyone who bought a subscription when Apple blocked it. Beeper main is also free.
If you’re asking why there isn’t one shipped with JS, the answer is because JS is built for the web, and the “don’t break the web” rule makes changing things in JS hard, as well as browser devs pushing back hard on anything that increases install size.
If you’re asking why as a community, we haven’t agreed on a single package to be a stdlib - lodash.