Archipel is a multithreading framework for Java. Threads working together can be seen as a graph in which each thread is a node. That's exactly what Archipel does. The aim is to make multithreading easier. Simply define your data exchange structures and write the business code for each of your threads, and Archipel handles the rest.
Cling is a complete, clean, and very flexible Java implementation of the UPnP Device Architecture specification. Additional UPnP service modules and graphical tools are also part of this project. Cling helps you create, control, and monitor UPnP-compatible services on your local network. Cling can be used as an UPnP/DLNA library for Android application development.
OpenMEAP provides HTML5 mobile application software which removes the need for developing mobile apps natively across multiple platforms. It enables organizations of all sizes to efficiently develop, deliver, and manage mobile applications while using their existing Web development and designer resources.
The eXtensible Binary Universal Protocol (XBUP) project is an attempt to design a general binary communication protocol and file format. It is based on the unlimited unary-binary encoding and strongly typed block tree structure. It will provide a catalog service and processing infrastructure.