BlizzNux is free and open source, and it gets better when people outside the project put work into it. These are the people who have. Their pictures come straight from their GitHub profiles, so they stay current.
Karl Bullock

Creator and maintainer. Started BlizzNux, runs blizznux.com and its compatibility board, and builds the BlizzNux Launcher, testing every release on a Linux laptop before it ships. GitHub: @karl-bullock
Can H. Tartanoglu

NixOS maintainer. Packages the launcher for NixOS and is the first stop for NixOS-only problems. Made the launcher packageable without patches and proposed three Labs settings: WoW64 mode, system Proton and direct Proton. GitHub: @caniko
Contributing
Packaging the launcher for your distribution, fixing a bug or proposing a feature: start with an issue or pull request on GitHub. Compatibility reports count too. Every report on the board helps the next person on the same setup.