Ekiga (formely known as GnomeMeeting) is an open source VoIP and video conferencing application for GNOME. Ekiga uses both the H.323 and SIP protocols. It supports many audio and video codecs, and is interoperable with other SIP compliant software and also with Microsoft NetMeeting
This is a complete but simple application of Video rental system written in java. It uses GUI and MS-Access database to rent and return a video.
Best example for undergraduate students.
