Application for Server or Client socket/ser. connections (TCP, TLS).
OpenDDS is open source publish/subscribe middleware
SimpleTester
Ribbon is an inter process communication library
Stream manager
An example of a simple chat system
Modbus TCP, Modbus UDP and Modbus RTU client/server Java library
Modbus TCP/UDP Server Simulator and Modbus RTU Slave Simulator
Cloud Service Make.
A simple native java network library
Java app for local peer-to-peer communication
A simple, non-blocking, NIO-based, TCP socket API for Java
Java TCP Socket Client Library for Device Communications
C++ SIP stack based on Chrome source code