1. The smartest JavaScript IDE

  2. Text editor + file transfer + svn + CSS + Terminal + Books + More = Whoah. Welcome to Coda. Grow beautiful code.

  3. Eclipse IDE for Java EE developers.

  4. NetBeans IDE 7.0. Develop desktop, mobile and web applications with Java, PHP, C/C++ and more. Runs on Windows, Linux, Mac OS X and Solaris. NetBeans IDE is open-source and free.

  5. RStudio™ is a new integrated development environment (IDE) for R.

  6. TextMate brings Apple's approach to operating systems into the world of text editors.

  7. Froala Editor is a WYSIWYG HTML editor that enables rich text editing capabilities for the applications.

  8. 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.

  9. openSUSE is a free and Linux-based operating system for your PC, Laptop or Server.

  10. BBEdit is a professional HTML and text editor for Macintosh that provides features for editing, searching, and minipulation of text for web authors and software developers.

  11. Online Interpreters in JavaScript. Online coding and REPL. Run and share code.

  12. GNU nano is a small and friendly text editor.