Anti-Spam SMTP Proxy Server implements multiple spam filters
A universal instant messaging (IM) program
Development toolkit for Web Services and XML data bindings for C & C++
Powerful Open Source Email Marketing app with analytics & segmentation
Database Replication, Filtered Synchronization, and Transformation
Implementation of the EDIINT AS2 protocol (RFC 4130)
Components for IEC61375 standardised communication
AS2 1.1 server implementation in Java
Cerberus Content Management System
A standalone, portable Ada library for .zip archives
Java-based ONC/RPC implementation
Web based system for Computer Assisted Telephone Interviewing (CATI)
IOT Client of MQTT server written in Erlang
MQTT server for IOT written in Erlang
OpenDDS is open source publish/subscribe middleware