Topic: Pimp your editor
This is the thread where you give info about your favorite editors. Include useful info like price, license terms, languages supported, etc. and give a brief description. I'll start:
OS: Mac (universal binary)
Price: 39 euros (about US$50)
License: closed source
Languages supported: everything I've thrown at it (Ruby/Rails, Python, PHP, Java, XML, HTML, JS, CSS, etc.)
Description: TextMate is basically THE editor for Rails if you own a Mac. Plenty of help is available online for getting the most out of TextMate features like snippets, autocompletion, and more. It's also quite useful for other languages like PHP or Java in addition to being a great text editor for client-side duties like HTML or CSS.
Also feel free to add any comments about an editor that someone else has posted.