Awesome print: like clojure.pprint, but awesome
The missing tool
Clojure REPL that is aware of surrounding lexical scope
Figwheel builds your ClojureScript code and hot loads it into the browser as you are coding!
Basic REPL breakpoints.
Clojure library for debugging core functions
Compact pretty printer
Better exception reporting middleware for Ring.
A better IDE integration story for Clojure
SWANK and nREPL servers for clojure providing JPDA based debuggers
Project your Clojure(Script) REPL into the same context as your code when it ran
Trace-oriented debugging tools for Clojure
1.3 update of clojure.contrib.trace
A Leiningen plugin for a superior development environment