High Quality Content by WIKIPEDIA articles! The OSGi framework is a standardized module system and service platform for the Java programming language. The OSGi standards are defined in the OSGi Alliance and published in OSGi specification documents such as the Core and Compendium specifications. These specifications contain chapters each of which describe a specific OSGi standard. This page contains a list of available implementations of OSGi standards, both commercial and open source implementations are included. Implementations realize specification chapter(s) from the OSGi specification documents.