Notepad++ is a free source code editor and Notepad replacement for windows. Notepad++ is a great editor that supports a wide variety of programming languages. Some of the features and plugins it supports is syntax highlighting, WYSIWYG, Auto-completion, Full Drag ‘N' Drop supported, Spell checking, and Hex editor. It is a must have for a computer programmer. Try Notepad++ out, Download it from the Notepad++ website.