by Remi Corson on WordPress.org
Tested up to 3.6.1 Stable Tag: 1.0 This plugin refreshes automatically WooCommerce products stock using the Heart Beart API

Live stock settings
This plugin refreshes automatically WooCommerce products stock using the Heart Beart API. Once installed, click on WooCommerce > Settings > Inventory Tab, and you’ll see a new “Live Stock” section. This is where you can configure the settings.
Developer Website – Donate – Contribute
If you want to contribute to this plugin, you can do it on GitHub