GroundWork Open Source, Inc. (www.groundworkopensource.com), the leader in commercial open source systems and network management software, today announced the release of Network Management Suite (NMS) 2.1.

WiredCity, a supplier of real-time infrastructure performance management tools for the enterprise, announced today that the company's IT Monitor(TM) application now provides end-to-end performance monitoring of Voice over IP (VoIP) solutions.