PC IsoStar works as a client-server system using an HTTP server.
Raima, Birdstep Technology, Inc
RDM Server is an extremely powerful Client/Server database management system.
MySQL Connector/C is a C client library for client-server communication.
Activeworlds offers a complete range of user, client, server.
UPSmon is a multiplatform client-server app that enables remote monitoring.
InterSoft International, Inc
SecureNetTerm - client/server designed to interface with telnet, telnet-TLS/SSL.
It's a test automation tool for functional testing of client/server applications.
CentrED is a Client/Server based map editor for Ultima Online.
Xpert-Timer is a client/server based project time tracking application.
This is a client-server application for displaying very large terrain models.