Notepad++
A free, light-weight text and source code editor.
Small, fast, and user-friendly, Notepad++ supports several programming languages in the Windows environment, including C, C++, Java, C#, XML, HTML, PHP, Javascript, and many more. It also makes a handy text editor in a pinch. Additional features include Syntax Highlighting and Folding, Regular Expression Search, Unicode support, plus a User Language Define System.
