*started Feb 2025*
- HTTP request & response: [ring](https://github.com/ring-clojure/ring/blob/master/SPEC.md#14-request-maps)
- Routes: [reitit](https://github.com/metosin/reitit)
- Data spec: [malli](https://github.com/metosin/malli) (this is an interesting one)
- SQL: [honeysql](https://github.com/seancorfield/honeysql) (this is an interesting one)
- URIs: [uri](https://github.com/lambdaisland/uri)
- Regex: [regal](https://github.com/lambdaisland/regal) (this is an interesting one)
- HTML: [hiccup](https://github.com/weavejester/hiccup) (this is an interesting one)
- XML: [clojure/data.xml](https://github.com/clojure/data.xml)
- Diffs: [deep-diff2](https://github.com/lambdaisland/deep-diff2)