Deadpikle

Along with some of the other comments, there is NetSparkle for C#-based apps that is cross platform: https://github.com/NetSparkleUpdater/NetSparkle (disclaimer: I am the primary maintainer of this repository).

There is one that is .NET and cross platform (incl. Linux) here: https://github.com/NetSparkleUpdater/NetSparkle (disclaimer: I am the primary maintainer of this repository).

For C++, WinSparkle works too: https://github.com/vslavik/winsparkle/

Thanks for sharing this! Will this help me (or someone like me) manage something like 1 database server (with multiple databases in it) shared between all my projects and then let me swap out the PHP version on a per-project basis? ...basically my qualm with something like XAMPP is that it's hard to swap out the PHP version, and I end up having multiple XAMPP installs for all my different PHP versions I have to work with.