Notepad++ is a free source code editor which supports several programming languages running under the MS Windows environment. 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.

Notepad++ main features include: Syntax Highlighting and Syntax Folding, User Language Define System, Regular Expression Search, WYSIWYG, Unicode support, Full Drag & Drop supported, Brace and Indent guideline Highlighting, 2 edits and synchronized view of the same document.

Notepad++ is based on Scintilla edit component are written in C++ with pure win32 api and STL, is under the GPL Licence.