Q&A Forum (official)
Clojure Google Group (official)
Planet Clojure blog aggregator
#clojure IRC channel on Libera.Chat
Official:
Clojure Reference Docs - official reference information
Clojure Cheatsheet - helpful categorization of most core functions
Source - Clojure, ClojureScript, ClojureCLR
Issues - Clojure, ClojureScript, ClojureCLR
Community:
Clojure for the Brave and True - a beginner book by Daniel Higginbotham
Clojure from the ground up - a series of intro articles by Kyle Kingsbury
Practicalli - books and video tutorials on developing with Clojure, it’s tooling and workflow
ClojureDocs - community provided example repository
Clojure Documentation - community-driven documentation site
cljdoc - a website building & hosting documentation for Clojure/Script libraries
exercism.io - crowd-source code reviews (supports Clojure)
Maria - a coding environment for beginners
Spec:
Introducing clojure.spec - Rich Hickey
"Maybe Not" - Rich Hickey
"Spec-ulation" - Rich Hickey
Rich Hickey on Clojure Spec - LispNYC
Clojure spec with Rich Hickey - Cognicast Episode 103
How do you use clojure.spec - Sean Corfield
What Clojure spec is and what you can do with it (an illustrated guide) - Stathis Sideris
Newsletters:
Inside Clojure - weekly journals about development of Clojure
Clojure Weekly - curated links from various sources about all things Clojure and ClojureScript
Videos and presentations:
ClojureTV - talks by Rich Hickey and presentations from Clojure/conj and Clojure/west
InfoQ Clojure Presentations - from a variety of conferences
Talk transcripts - Rich Hickey, David Nolen, Alessandra Sierra, and others
Parens of the Dead - a screencast series writing a game from scratch with Clojure and ClojureScript
Practicalli Clojure Study Guide - weekly live broadcasts on developing with Clojure and ClojureScript
Podcasts:
defn - The world’s greatest vegetarian Clojure podcast hosted by Vijay Kiran and Ray McDermott
The REPL - A podcast diving into Clojure programs and libraries by Daniel Compton
ClojureScript Podcast - Join Jacek Schae and explore an unusually expressive programming language with Lisp roots
Thoughts on Functional Programming by Eric Normand - An off-the-cuff stream of Functional Programming ideas, skills, patterns, and news from Functional Programming expert Eric Normand
Functional Design in Clojure - Christoph and Nate discuss software design problems and how they might be solved using functional principles and the Clojure programming language.
Audio - Cognitect Blog - A podcast by Cognitect, Inc. about software and the people that create it
(dosync radio) - A podcast to discuss Clojure matters in Japanese.
Lost in Lambduhhs - Jordan Miller interviews a myriad of guests from all sectors of tech with a special focus on Clojure and Clojurescript
Video training (commercial):
Introduction to Clojure - Eric Normand (LispCast)
Web Development in Clojure - Eric Normand (LispCast)
Clojure Inside Out - Stuart Halloway, Neal Ford (O’Reilly)
Communicating Sequential Processes with core.async - Timothy Baldridge (O’Reilly)
Building Microservices with Clojure - Scott Rehorn (O’Reilly)
Learning Clojure - Adam Bard
Learning ClojureScript - David Eisenberg
Clojure Fundamentals - Alan Dipert (PluralSight)
Clojure Concurrency - Craig Andera (PluralSight)
Building Web Applications with Clojure - Tomek Lipski (Packt)
Lambda Island - Screencast series about ClojureScript and Clojure
Learn Reagent - Jacek Schae
Learn re-frame - Jacek Schae
Clojure Hacker - build real web apps in Clojure and ClojureScript - Paul Jankowski
Clojure/conj (usually in November)
ClojureBridge - beginner workshops for women
ClojuTRE - A Clojure conference in Tampere/Helsinki, Finland
re:Clojure - A yearly community-driven Clojure conference, hosted online and with a worldwide attendance
clojureD - A Clojure conference in Berlin, Germany
Heart of Clojure - A Clojure conference in Leuven, Belgium
Dutch Clojure Days - A Clojure conference in Amsterdam, the Netherlands
Clojure/South - A Clojure conference in Sao Paulo, Brazil