Aptana Studio is a professional, open-source web development IDE. Used by developers ranging in the millions you could say this is one of the industry favorites. Aptana provides many features including a direct connection to your web host so once you save your HTML, of PHP whatever you are using, file it is immediately uploaded to the web host. This feature cuts out having other apps open for uploading to your web host.
Then come the plugins. Aptana Studio can work with some plugins like Emmet, this adds more to the functionality of Aptana Studio like developing an entire HTML file structure with one line.
In conclusion, Aptana Studio is your everyday IDE with a focus on web development. It has useful features such as FTP/SFTP and can also be “upgraded” with plugins like Emmet. It can increase productivity by a decent margin so I would recommend this tool.