1. Sublime Text is a sophisticated text editor for code, html and prose - any kind of text file. You'll love the slick user interface and extraordinary features. Fully customizable with macros, and syntax highlighting for most major languages.

  2. At GitHub, we’re building the text editor we’ve always wanted: hackable to the core, but approachable on the first day without ever touching a config file. We can’t wait to see what you build with it.

  3. Microsoft Visual Studio is an integrated development environment (IDE) from Microsoft.

  4. Android development environment based on IntelliJ IDEA

  5. Build and debug modern web and cloud applications, by Microsoft

  6. Xcode 4 is the new version of Apple’s powerful integrated development environment for creating great apps for Mac, iPhone, and iPad. Xcode 4 includes the Xcode IDE, instruments, iOS Simulator, and the latest Mac OS X and iOS SDKs.

  7. Capable and Ergonomic IDE for JVM

  8. Highly configurable text editor built to enable efficient text editing

  9. Python & Django IDE with intelligent code completion, on-the-fly error checking, quick-fixes, and much more...

  10. Cross-platform IDE for productive Ruby & Rails development.

  11. The smartest JavaScript IDE

  12. Most simple text editor. Just plain text, saves in .txt format.