| latest_preview_version = 5.0.2 RC | latest_preview_date = | operating_system = Cross-platform | programming_language = Java | genre = Application server | license = LGPL | website = http://jonas.objectweb.org/ }} JOnAS is an open-source implementation of the Java EE application server specification, developed and hosted by the ObjectWeb consortium (ObjectWeb is a non-profit European consortium, founded by INRIA, Groupe Bull, and France Télécom). JOnAS is released under the LGPL… (More on Jonas)