Windows

Website: notepad-plus-plus.org Developer: Don Ho

A free, open-source source code editor and Notepad replacement that supports numerous programming languages. Written in C++ using the Scintilla editing component and Win32 API for optimal performance and small file size.

Features

• Syntax highlighting for 78+ languages
• Tabbed document interface
• Auto-completion and code folding
• Macro recording
• Plugin support (140+ plugins available)
• Multiple view modes
• Powerful search and replace with regular expressions
• Support for various character encodings

Notepad++ emphasizes being environmentally friendly by reducing CPU usage and power consumption.