There are many alternatives to Atom for Mac if you are looking for a replacement. The best Mac alternative is Visual Studio Code, which is free. If that doesn't suit you, our users have ranked more than 100 alternatives to Atom and loads of them are available for Mac so hopefully you can find a suitable replacement. Other interesting Mac alternatives to Atom are Sublime Text (Free Personal), Vim (Free, Open Source), Geany (Free, Open Source) and VSCodium (Free, Open Source).
A simple programmer's editor with a tightly-integrated console. It's excellent for rapidly prototyping code with its super fast edit-run-edit -run-save workflow, and its Cocoa integration gives it a real edge over the command line.
MacVim is a port of the text editor Vim to Mac OS X. MacVim supports multiple windows with tabbed editing and a host of other features such as: * bindings to standard OS X keyboard shortcuts (?Z, ?V, ?A, ?G, etc.
Wing is a highly customizable Python IDE that uses both static and runtime code analysis to provide auto-completion, call tips, code documentation, goto-definition, find uses, refactoring, and many other features.