Notepad++ is a Notepad replacement and source code editor that is free and supports multiple languages. It runs in MS Windows and is subject to the GNU General Public License. Notepad++, which is based on Scintilla's powerful editing component, is written in C++. It uses pure Win32 APIs and STL to ensure a faster execution speed and smaller programs. Notepad++ strives to reduce carbon dioxide emissions by optimizing as many routines and as user-friendly as possible. The PC can use less CPU power to throttle down and reduce power consumption. This results in a greener environment.