OfficeSIP Alerter 1.0
OfficeSIP Alerter is a simple, easy-to-use and free sip messenger. It was not designed for prolonged chat, it is handy when you need to send or receive single message. It is good replacement for old-fashioned Alerter Service. OfficeSIP Alerter has simple interface but it is based on Session Initiation Protocol, so you can exchange messages with users of Windows Messenger or other sip messenger.
Secure messaging suite designed to provide efficient and private communication over networks of any size. The server offers centralized management, Active Directory (LDAP) support, message logging. Organize and take control over private business IM.
Pidgin is a multi-protocol Instant Messaging client that allows you to use all of your IM accounts at once.
This clear, easy to use and light-weight IM client offers a set of corporate features. Based on a client/server architecture the messenger is fully managed from server-side software which provides IM logging, user grouping, offline messaging.
Vypress Chat is a user-friendly application for real-time chatting in small or home office (SOHO) local networks. Vypress Chat works with both TCP/IP and IPX/SPX network protocols. You get an interface comparable to mIRC`s and ICQ-like functionality.
A very nice MSN compatible messenger application, aMSN Messenger is a multiplatform MSN messenger clone.