1. 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.

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

  3. 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.

  4. Capable and Ergonomic IDE for JVM

  5. 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.

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

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

  8. 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.

  9. gedit is the official text editor of the GNOME desktop environment. While aiming at simplicity and ease of use, gedit is a powerful general purpose text editor.

  10. The world’s most powerful open-source web development IDE just got better. Rebuilt from the ground-up. It's now much faster, customizable and includes new features to help you be more productive.

    open-source

  11. The #1 software development tool used by agile teams. Jira Software is built for every member of your software team to plan, track, and release great software.

    paid Free Trial $7.0 / Monthly (Above 10 Users)

  12. Qt Creator is a cross-platform C++, JavaScript and QML integrated development environment. It is the fastest, easiest and most fun experience a C++ developer could wish for.