Notepad++ is a text editor and source code editor for Windows, though it can run on Linux and Mac OS X, using software such as Wine. The primary advantage of Notepad++ over the built-in text editor, Notepad, is tabbed editing, to easily work with multiple open files.

It is distributed as free software. The project was hosted on, from where it has been downloaded over twenty million times and twice won the Community Choice Award for Best Developer Tool. Its downloads and website is currently hosted on TuxFamily. To display and edit text and programming language source code files, Notepad++ uses the Scintilla editor component.