I use GNU Emacs For Mac OS X.

git clone git@github.com:Domon/.emacs.d.git

• Coffee Mode - Syntax highlighting for CoffeeScript
• Evil
• Fiplr - Fuzzy file finder (Cmd-t)
• Magit - Git integration
• Markdown
• NeoTree - File tree explorer (F8)
• Projectile - Project interaction
• Quack
• Solarized Theme
• Web Mode - Web template syntax highlighting

I use Anonymous Pro.