None of the links to the Github repositories for the language resolve. I checked the link for the compiler [1], the SDK [2], and the VSCode extension [3], and all of them 404. Seems like the repositories are all still private, which is odd, given that the page claims

    However, it's definitely ready for those brave of hearts who would like to
    be involved at this early stage, influence our roadmap and join us for the
    ride.

Kind of hard to do that when all the source code is closed.

[1]: https://github.com/orgs/winglang/projects/1

[2]: https://github.com/orgs/winglang/projects/3

[3]: https://github.com/winglang/wing