Coda 2 (Previously, just Coda) has been my "daily driver" suite for web development for around 4 years now. It's an absolutely wonderful editor by Panic, and well worth the price tag in my opinion. It has an editor, (s)ftp client, git client, terminal, mysql database manager, and a whole lot more all in one package. 

My workflow when developing a Drupal-based website is usually something like this: