Java for Communications - wireless, wireline, and IP networks
The cajo project
Simple powerful transparent distributed computing; home of the World Wide Virtual Machine (wwvm)
This is a framework that allows for the quick development of JTAPI, JAIN Call Control and JAIN Jcat implementations through the use of a simplified service provider interface.
One-to-One Encrypted Chat Application
jain-sip placeholder (see https://java.net/projects/jsip )
API for networked app w/ MIDP2. Try Seadragon 2 w/ Leafy.
JAIN-SIP Service Platform
An API for communicating via Yahoo's YMSG Instant Messenger/Chatroom protocols, plus related support classes for chatroom spam blocking, styled text decoding and Swing model updates.
SIP Signaling stack for J2ME
A JAIN-SIP based voice and text instant messaging client
A Java-based Echolink Client for Amateur Radio
Mobile Data Objects (Lightweight VO) Designs
Java Enabled Amateur Packet Radio System
Open source winlink2000 compatible java based tools
Geotools is an open source/ free Java GIS toolkit for developing standards compliant solutions. It provides an implementation of Open Geospatial Consortium (OGC) specifications as they are developed.
DoubleTalk Messaging System
QuickServer is an open source Java library/framework for quick creation of robust and multi-threaded, multi-client TCP server applications.
With QuickServer one can just concentrate on just the application logic/protocol on hand.
An eclipse plug-in for developing Jain-SLEE applications
A J2EE implementation of CHORD and I3