OpenZFS on OS X's repositories
illumos-openzfs
OpenZFS is a storage platform that encompasses the functionality of traditional filesystems and volume managers, delivering enterprise reliability, modern functionality, and consistent performance in an easy to administer package on several operating system platforms.
openzfs-fork
This is a direct fork of upstream openzfs/master - primarily used for PRs back to upstream.
openzfsonosx-installer
Create installer packages for OpenZFS on OS X