Update README.md

Author: probar

README.md

@@ -126,6 +126,7 @@ A curated list of awesome Python frameworks, libraries and software. Inspired by
 * [py2app](http://pythonhosted.org/py2app/) - Freezes Python scripts (Mac OS X).
 * [PyInstaller](http://www.pyinstaller.org/) - Converts Python programs into stand-alone executables (cross-platform).
 * [dh-virtualenv](http://dh-virtualenv.readthedocs.org/) - Build and distribute a virtualenv as a Debian package.
+* [pynsist](http://pynsist.readthedocs.org/en/latest/) -  build a full Windows installers.Installer will work even for people without python.
 
 ## Build Tools