Cursor Software  
External websites
Interchange web-based application server  Interchange is a world class, Free and Open Source application server, written entirely in Perl and provided under the terms of the GNU General Public Licence (GPL). 
For more information... RTFM!  The RTFM website is one of our contributions to the Interchange community.  It includes help, documentation, source code and links to various Interchange resources.  This free resource is relied upon by thousands of visitors every day.