OpenBSD ports distfile version scanner
Portroach is a tool which looks for new versions of software in the OpenBSD ports tree, and potentially other software repositories. Various factors make this task a bit more difficult than it might initially seem. In particular, the array of weird and wonderful versioning schemes software vendors manage to come up with.
Homepage: http://jasperla.github.io/portroach/
Maintainer: Jasper Lievisse Adriaanse <jasper@openbsd.org>