Notepad++ is a free open source notepad replacement and code editor with nice features. It supports syntax highlighting for many languages and has an extension system as well. Developed by Don Ho
License: Open Source
Notepad++ is an easy-to-use, lightweight text editor that is great for quick edits and simple programming tasks, primarily on Windows. GNU Emacs, on the other hand, is a powerful and highly customizable editor that is better suited for advanced users who require extensive features and programming capabilities.