IPython is becoming Jupyter [https://jupyter.org/] which has made IPython language agnostic. I have used it with Julia, R and Haskel.
It is a great REPL in a browser experience. Personally RStudio has done pretty amazing things and it has the ability to also run with different kernels but it is specifically focused on R.
It is a great REPL in a browser experience. Personally RStudio has done pretty amazing things and it has the ability to also run with different kernels but it is specifically focused on R.
> Syntax highlighting modes for many new languages including Clojure, CoffeeScript, C#, Graphviz, Go, Groovy, Haskell, Java, Julia, Lisp, Lua, Matlab, Perl, Ruby, Rust, Scala, and Stan. [http://www.rstudio.com/products/rstudio/download/preview-rel...]