Name: Subliminal Nautilus
Is it Open Source: Yes
Link to source tarball: https://github.com/Diaoul/nautilus-subliminal
There aren't any release tarballs, or release tags on the github, or download links on their website, not sure how this could get included.
Yeah. No tarballs, no git tags. Without a way to know the version and consistently build from it, we can't include this.