Atom text editor, that is recently available for Mac users, is released on beta version. This text editor is created for years by GitHub. This is the official site.
//Update April 28th, 2014. You can download it now without invites.
//Update: I finally got an invite:

If you need Atom Text Editor invites, you can comment here, or contact me with your email address, I will invite you.
This Atom text editor quick look or preview is from a non-developer or coder point of view, so I don’t really dive in into technical stuff that I don’t really know what they are.
Basically, switched from Windows to Mac 100% since a few months ago, I wanted to have a fast text editor. I recently have Coda 2 that is already very powerful, but sadly, it runs slower.
Then I have Sublime 2 (unregistered) and plan to purchase Sublime 3, but if the new Atom text editor will be better (faster for me) I will go for it.