Specter rejects Clojure's restrictive approach to immutable data structure manipulation, instead exposing an elegant API to allow any sort of manipulation imaginable.
https://github.com/nathanmarz/specter
Potemkin is a collection of facades and workarounds for things that are more difficult than they should be. All functions are within the potemkin namespace.
https://github.com/ztellman/potemkin
Clojure
Principle / Rich Hickey
https://github.com/matthiasn/talk-transcripts/tree/master/Hickey_Rich
https://news.ycombinator.com/item?id=15593069
https://www.infoq.com/presentations/Design-Composition-Performance
Core / necessity
Sites
https://blog.feedspot.com/clojure_programming_blogs/
Articles
https://8thlight.com/blog/colin-jones/2010/12/05/clojure-libs-and-namespaces-require-use-import-and-ns.html
Tools
Libs
OO rethinking
https://medium.com/@cscalfani/goodbye-object-oriented-programming-a59cda4c0e53
https://thenextweb.com/contributors/2018/05/07/first-principles-of-programming/