The first repo has one core contribitor who hasn't been active since June 2018.

https://github.com/nicolaspanel/numjs/graphs/contributors

I sincerely believe it is possible for JavaScript to be a viable language ecosystem, but there is dire need for cohesion, collaboration, and longevity. As it stands, there are so many potentially viable projects strewn across the NPM landscape like old, discarded toys.

I'm not aware of an initiative, let alone ethos, in the JS community that comes anywhere close to something like NumFocus.

https://numfocus.org/