Notepad++

License: Free
OS: Windows 95/98/Me/NT/2000/XP/2003 Server/Vista
Download Notepad++

Notepad++ is a Notepad replacement with an eye toward programmers, although it should also appeal to the casual user who wants a cross between Notepad and WordPad.

It is a free source code editor which supports several programming languages under Windows environment. It's also a lightweight replacement of Notepad. The supported languages by Notepad++ are: C, C++, Java, C#, XML, HTML, PHP, Javascript, RC file, makefile, nfo, doxygen, ini file, batch file, ASP, VB/VBS, SQL, Objective-C, CSS, Pascal, Perl, Python, Lua, Unix Shell Script, Fortran, NSIS and Flash action script.

Features:

1. Support for tabs
2. manage different documents simultaneously
3. Line-numbering
4. Syntax Highlighting and Syntax Folding
5. User Language Define System,
6. Regular Expression Search
7. WYSIWYG (If you have a color printer, print your source code in color)
8. Unicode support
9. Full drag-and-drop supported
10. Brace and Indent guideline Highlighting
11. 2 edits and synchronized view of the same document
12. User Language Define System.