Notepad++ is a free source code editor (and Notepad replacement), which supports several programming languages, running under the MS Windows environment. This project, based on the Scintilla edit component, written in C++ with pure win32 api and STL that ensures the higher execution speed and smaller size of the program. Notepad++ supports the following languages: C, C++, Java, C#, XML, HTML, PHP, javascript, RC resource file, makefile, ASCII art file, doxygen, ini file, batch file, ASP, VB/VBS source files, SQL, Objective-C, CSS, Pascal, Perl, Python and Lua.

Download: Notepad++ 5.9.6

Homepage: Notepad++

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I don't see the benefit of Notepad++ over the SciTE editor. What are they?

Well, they're both based on Scintilla, along with Notepad2 and a bunch of others so quite a few similarities.

Notepad++ does twice as many UI languages, file format conversion (i.e. ASCII <=> UTF8 <=> UTF16) overlapping and splittable windows, etc. etc. ...

Thre's also a bunch of plugins for Notepad++, some of which I use.

If you speak French, for example, there's only Notepad++. (SciTE seems to have abandoned it)

OTOH if you use Linux, there's only SciTE (with GTK+) because Notepad++ & Notepad2 are Windows only.

For more info, you could read the comparison on Wikipedia: Comparison of text editors

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