There's a few, but not too many. See e.g. some package repos: https://github.com/search?q=repo%3Afreebsd%2Ffreebsd-ports+%22EUPL12%22+path%3AMakefile&type=code

There's a few, but not too many. See e.g. some package repos: https://github.com/search?q=repo%3Afreebsd%2Ffreebsd-ports+%22EUPL12%22+path%3AMakefile&type=code https://github.com/search?q=repo%3Afreebsd%2Ffreebsd-ports+%... https://github.com/search?q=repo%3Avoid-linux%2Fvoid-packages+%22EUPL-1.2%22+path%3Asrcpkgs&type=code https://github.com/search?q=repo%3Avoid-linux%2Fvoid-package... https://github.com/search?q=repo%3ANixOS%2Fnixpkgs+%22EUPL12%22+path%3Apkgs%2Fby-name&type=code https://github.com/search?q=repo%3ANixOS%2Fnixpkgs+%22EUPL12... Most of the software from the EU and some governments are also under EUPL, but those tend to be "source dumps" that no one really builds.