IntraMessenger is a free application for that enables communication between communities, groups, companies or simply closed groups.
It consists of a client (for Windows) & a PHP-MySQL-based open source server to manage the whole communication.
The messenger is autonomous, but authentication (login + password) is possible from other existing databases like forums, groupware applications, e-learning systems, etc.
It can operate in 2 modes:
- open community : everybody can see everybody, without add to contact list
- groups only : everybody can see everybody (but only) is they are in the same group
IntraMessenger has a multilingual interface & it is a handy application for enabling web-based communities to communicate in the desktop.