Peppermint OS, one of the most lightweight and flexible Linux distros, is now offering a Devuan-based ISO for advanced users to have more control over their system.
With their release of Peppermint OS 11, they dropped using Ubuntu as the base for Debian to make Peppermint OS more stable and
GNU Guix System which uses Shepherd is pretty interesting. Other inits I find mostly useful for resource constrained devices