1. ConTEXT is a small, fast, powerful and highly compact text editor for the Windows operating system.

  2. Acme is a powerful text editor, development environment and textual-user-interface platform...

  3. Simple Android text editor

  4. A vi-like editor based on Plan 9's structural regular expressions.

  5. Open Source Plain-Text Editor for OS X

  6. Rider is a cross-platform .NET IDE based on the IntelliJ platform and ReSharper.

  7. A Native Python IDE for Data Science

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

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

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

  11. RStudioâ„¢ is a new integrated development environment (IDE) for R.

  12. Eclipse IDE for Java EE developers.