Notepad++ is a free source code editor which supports several programming languages. Syntax Highlighting and Syntax Folding: Supported languages : C, C++, Java, C#, XML, HTML, PHP, Javascript, RC resource file, makefile, ASCII art file extension .nfo , screenshot1, screenshot2), doxygen, ini file, batch file, ASP, VB/VBS source files, SQL, Objective-C, CSS, Pascal, Perl, Python, Lua, TCL, Assembler, Ruby, Lisp, Scheme, Properties, Diff, Smalltalk, Postscript and VHDL. Notepad++ Features: WYSIWYG User Defined Syntax Highlighting Multi-Document Tabs Regular Expression Search/Replace supported Full Drag N' Drop supported Dynamic position of Views File Status Auto-detection Zoom in and zoom out Multi-Language environment supported Bookmark Brace and Indent guideline Highlighting Macro recording and playback