I expect your're a computer expert so it should not be a problem to follow this for starting with Atom: > http://flight-manual.atom.io/getting-started/sections/installing-atom/ Once installed Atom let you add packages (addons/extension .. you name it) from within it's UI. Open Edit to find Preferences --> Packages. Currently I use linter, linter-eslint, react, split-diff and some dependencies. GIT support is standard/included. Generally: > https://atom.io/ to find:Cross-platform editing > Cross-platform editing > Atom works across operating systems. You can use it on OS X, Windows, or Linux >