* [Feedsmith v3.0.0](https://github.com/macieklamberski/feedsmith) – Fast all-in-one JavaScript feed parser and generator for RSS, Atom, RDF, and JSON Feed with namespace and OPML support.

* [Jekyll Feed plugin v0.18.0](https://github.com/jekyll/jekyll-feed) – Jekyll plugin that generates an Atom feed for your site’s posts, including configurable metadata and optional author and image fields.