It looks like Leafpub (written in PHP) is the first incarnation of Postleaf (written in Node) From the GitHub readme, Postleaf seems to be in the alpha stage..

It looks like Leafpub (written in PHP) is the first incarnation of Postleaf (written in Node) From the GitHub readme, Postleaf seems to be in the alpha stage... not yet ready for production use, it seems. https://github.com/Postleaf/postleaf https://github.com/Postleaf/postleaf