You can review and download Notepad++ <a href='http://notepad-plus.sourceforge.net/uk/about.php' target='_blank'>here.
Here are some (mostly great) tools I use. I'm happy to recommend them here. Some are free and others cost money, but in general, even the non-free tools are worth it--otherwise they would not be listed here.
My favorite text editor for Windows:
A free alternative (but not as good) to UltraEdit when you can't afford/acquire a license for it: