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

  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. 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.

  4. 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.

  5. Capable and Ergonomic IDE for JVM

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

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

  8. Eclipse is an open source community, whose projects are focused on building an open development platform comprised of extensible frameworks, tools and runtimes for building, deploying and managing software across the lifecycle.

  9. Android development environment based on IntelliJ IDEA

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

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

  12. A modern, open source text editor that understands web design