Hi Stefan, et al, I'd like to submit taxy.el to NonGNU ELPA: https://github.com/alphapapa/taxy.el A quick description, from the readme: This library provides a programmable way to classify arbitrary objects into a hierarchical taxonomy. (That’s a lot of fancy words to say that this lets you put things in nested groups.) Helpful features include: Dynamic taxonomies Objects may be classified into hierarchies automatically defined at runtime based on their attributes. Reusable taxonomies Taxonomy definitions may be stored in variables and reused in other taxonomies’ descendant groups. Please see the attached patch for the nongnu.git repo: