the new Juno based on Atom.
Note that Juno-LT is deprecated. Instead, check outJuno is an environment for the Julia language, with strong support for interactive development and a whole load of other niceties, implemented over Light Table.
Please see the website for installation instructions and documentation, and the Julia-LT repo for issues.
Note that the Julia language plugin provides the core functionailty; this repo is essentially a thin wrapper which exposes that functionality and provides a more convenient set of defaults.