Krizalys Countries is a simple Joomla! component that provides a country field which may then be used by other components. It aims helping extension developers to get started quickly when creating forms.
The component offers a dropdown list of countries extending the JFormField class provided by the Joomla! framework. It supports both Joomla! 2.5 and Joomla! 3.0 and offers a list of 247 ISO 3166 countries along with their 2-letters code. This is an handy addition to build global networks.