Speedframework is a lightweight persistence framework completely based on JDBC. it supports direct SQL invocation, as well as CRUD on POJO which codes is as ORM. JCS cache system has been embedded with which speed could reduce the pressure of Database
Dunbar is a location-based chat tool for mobile devices and phones as well as desktop computers. The architecture is built on web services so that clients on any operating system can be created. The service will be free to users, and the source code will
The Floranta libraries provide components for building Rich Client Wikis using AJAX or Java. Floranta clients can be embedded in any webpage (even plain html) and allow users to leave notes, images, cards, etc on the pages. Eg: http://www.floranta.com
OmegaChat is an open source generic framework for building malleable structured chat applications. It is mainly designed for educational settings. It runs in standalone mode (java application) or in servlet-embedded mode (applet+servlet+http tunneling).
A fully-featured server designed to interact with third-party services and provide its own services, as well as a client designed to interact with that server.