FlashDeli
FlashDeli (Flash Delivery) is an instant messaging system for your LAN or intranet. FlashDeli gives you an ability to easily exchange messages with your colleagues and neighbors. Using this feature-rich yet simple program you will never miss the important messages. ... FlashDeli is intended for instant message transmission between users of a local area network. ... Simply install FlashDeli on all computers in your network and you will always have this reliable information exchange tool handy. ... The program is launched at computer startup and stays in the system tray.
http://FlashDeli.com/download/FlashDeliSetup.zip - 327Kb - Download - Screenshot

Zango Messenger
Zango Messenger is a free unified instant messaging client that allows you to access the AIM, MSN, Yahoo, and ICQ services simultaneously from one window. With Zango Messenger, there's no need to have multiple instant messaging services running on your computer. ... With a download size of only 250K, there’s no comparable instant messaging product that comes close to Zango Messenger's exceptionally small footprint. ... In exchange for free access to Zango Messenger, users are shown 2-3 targeted Websites while browsing online.
http://downloads.zango.com/ZangoAp...Files/Easymessenger/setup4112.exe - 3Mb - Download

1 - Instant OfficeView
Instant OfficeView is a virtual in-out board that does not need a central server to operate. It is easy to install and requires no administration. It has an optional presence detector which indicates who are actively at their workstations. The program also displays which workstations are not... Information and messages are exchanged instantly and the messaging system has an option to have the messages pop up on top of all other running programs. ... When you turn on your computer, the board automatically shows you as "In" and when you shut down your computer, it automatically changes your...
http://www.officeview.com/IOV.zip - 301Kb - Download - Screenshot

SpreadMsg Lite
SpreadMsg Lite is the FREE version of Compuquest, Inc's award-winning SpreadMsg software. The Lite version features an email scanning agent that searches the user's email waiting at their ISP or Exchange Server. EMail scanning and retrieval is supported for POP3 and IMAP email servers. ... And, "2-way query and response" features enable the remote user to ask SpreadMsg for specific information, which is then returned to the user using Instant Messaging, delivered to a wireless device, an email destination, or via dialout.
http://www.compuquestinc.com/spdl/SPDML.EXE - 664Kb - Download - Screenshot

SPAMfighter Exchange Module
SPAMfighter Exchange module (SEM), is the easy-to-use anti-spam/virus solution for Microsoft Exchange Server 2000 and 2003. SEM is powered by the SPAMfighter Server, which is updated by the SPAMfighter community of more than 1 million users across the globe. ... As email arrives and the Exchange Server routes it to its addressees, SEM constructs a unique signature for each message and sends it to the SPAMfighter Server for evaluation. ... SEM seamlessly integrates with Microsoft Exchange Server 2000 and 2003, making the solution very fast.
http://www.spamfighter.com/Download/Enterprise/SEM.exe - 6Mb - Download - Screenshot

Mirador Instant Messenger
Mirador instant Messenger (MIM) is a secure, reliable and feature-rich presence based messaging solution built for the enterprise. It offers advanced functionality, security and stability that businesses require and helps to ensure compliance with various regulatory agencies such as HIPPA and... Mirador Business Instant Messenger uses a secure communication protocol with SSL encryption and includes a server that manages, tracks and archives instant-messaging threads. ... Unique to Mirador Instant Messenger is the inclusion of advanced functionality such as Remote Control and a powerful...
http://e-securion.com/trial/Mirado...stant_Messenger_client_server.exe - 16Mb - Download - Screenshot

Radmin Communication Server
Radmin Communication Server by Famatech is a new, secure solution for real-time corporate communications. It can also serve as a secure enterprise instant messaging tool, a solution for online conferencing, and a corporate multi-user Text and Voice chat for employees. ... Text Chat options include private instant messaging, multi-user, real-time text chat conversations. ... For user authentication and session key setups, a modified Diffie-Hellman exchange with a 2048-bit key size is used. ... Radmin CS supports Windows NT/2000/XP/2003 user level security, so connections can be limited to...
http://www.famatech.com/download/radmincs30.zip - 3Mb - Download - Screenshot

ISequre for Windows
ISequre is a security software application that enables you and your friends or co-workers to exchange ICQ messages securely. ICQ is one of the most popular instant messengers today. Unfortunately, it stores and transmits all messages in non-encrypted form. ... You can use different keys for each of your chat partners simultaneously. ... ISequre works transparently and does not add any new interface elements except its icon on the systray. ... ISequre will protect your chat session encoding all messages with the Blowfish encryption algorithm.
http://www.isequre.com/isequre.zip - 152Kb - Download - Screenshot

ViPNet OFFICE
ViPNet OFFICE is an IP VPN and it provides secure client-to-client encryption so that mobile workers, home workers, and remote offices can communicate securely over the Internet with a staff at work directly and central VPN gateway. ViPNet OFFICE is designed as unique client-to-client or... In addition, this demo demonstrates all other features of our IP based VPN software with built-in secure business applications: encrypted instant messaging (IM), encrypted business mail, file exchange, online visibility of vpn users and other features.
http://www.infotecs.biz/demo/office_demo/vipnet_enu.exe - 16Mb - Download - Screenshot

ViPNet OFFICE - VPN
ViPNet OFFICE is an IP VPN and it provides secure client-to-client encryption so that mobile workers, home workers, and remote offices can communicate securely over the Internet with a staff at work directly and central VPN gateway. ViPNet OFFICE is designed as unique client-to-client or... In addition, this demo demonstrates all other features of our IP based VPN software with built-in secure business applications: encrypted instant messaging (IM), encrypted business mail, file exchange, online visibility of vpn users and other features.
http://www.infotecs.biz/demo/office_demo/vipnet_enu.exe - 16Mb - Download - Screenshot