sourceforge.net – by Petr Vavrinec
Available under GNU GPL license, this implementation uses a multi-thread server written in C and agent’s process written in Progress 4GL.
Multithread server add some scalability
Works with earlier version of Progress – starting from v8
Basic functions available for development
OS dependent – Unix only
Problems in handling pipe communication mechanism between agents and broker
No web development environment available
Minimum compatibility with WebSpeed