WPUpCheck is a simple Windows application that periodically checks a WordPress installation to see if there are any updates available.
– A WordPress.org website
– An administrative username/password to the website
– The XML-RPC Update Check plugin installed and activated.
Usual warnings apply – beta software, use at your own risk.
WPUpCheck is released under the GPL2; source is available on GitHub: https://github.com/trogau/WPUpCheck