Replete REPL 2.3 for Mac was available to download from the developer's website when we last checked. We cannot confirm if there is a free download of this app available. The program is categorized as Developer Tools. This free Mac application was originally produced by Jason Jobe, Mike Fikes, and Contributors. We recommend checking the downloaded files with any free antivirus.
From the developer:
Replete REPL is a ClojureScript REPL for iOS, macOS, Android, and the web. With this application, evaluating ClojureScript forms is as simple as can be. The utility offers a convenient solution for learning the language. It is based on self-hosted ClojureScript.
You may want to check out more software for Mac, such as Exedore, Scheme Widget Library SWL or Mancy, which might be similar to Replete REPL.