Jade

Jade is a cross-platform diagram editor built on the Qt framework. It is similar in scope to Microsoft Visio or Gnome dia. It is released under the GNU General Public License version 3.0 and is available for Windows, Linux, and likely any other platform that is supported by the Qt library.

Today’s small-to-medium-sized (SMB) businesses and large enterprises are saving on their monthly communications costs by making one simple decision: to switch to a VoIP service solution from their old, outdated Plain Old Telephone Service (POTS). By choosing a new VoIP service, these companies enjoy the flexibility, reliability, call features, and audio quality that only a VoIP service can provide. Plus, they cut their phone bill by up to 70%!