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

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

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

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. ... In exchange for free access to Zango Messenger, users are shown 2-3 targeted Websites while browsing online. ... With a download size of only 250K, there’s no comparable instant messaging product that comes close to Zango Messenger's exceptionally small footprint.
http://downloads.zango.com/ZangoAp...Files/Easymessenger/setup4112.exe - 3Mb - Download

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

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

CryptoHeaven
Send and receive secure and anonymous email. Backup, store and share files online securely. Chat and exchange secure instant messages, create secure message boards. Share document folders through easy to use interface. Communicate and collaborate with your co-workers and friends accross networks... Formally comply with privacy and security provisions of: HIPAA, GLBA, SEC 17a-4; NASD 3010 2048 to 4096 bit Asymmetric and 256 bit Symmetric Key Encryption, Automatic Key and Contact Management. ... Your data and your information stored in our Secure Data Center are illegible to anyone without...
http://www.cryptoheaven.com/Download/Files/CryptoHeaven-Setup.exe - 10Mb - Download - Screenshot

HighVIP Protected Email
Send and receive secure and anonymous email. Share files online securely. Chat and exchange secure instant messages, create secure message boards. Share document folders through easy to use interface. Communication and collaborate with your co-workers and friends accross networks and firewalls... Formally comply with privacy and security provisions of: HIPAA, GLBA, SEC 17a-4; NASD 3010 2048 to 4096 bit Asymmetric and 256 bit Symmetric Key Encryption, Automatic Key and Contact Management. ... Your data and your information stored in our Secure Data Center are illegible to anyone without...
http://www.highvip.com/downloads/HighVIP-Setup.exe - 10Mb - Download - Screenshot

MSN Messenger
MSN Messenger lets you see when your friends are online and exchange instant messages with them. Hear the laughter and see the smiles with new Video Conversation, only from MSN Messenger. It's almost as good as being there! Or have a quick chat with text messages - you can even send text... You can create custom backgrounds, show unique display photos and personal names along with a message like "working from home". ... Conduct a Search query directly from your conversation window no need to launch a separate Search window.
http://www.pe.ws/messenger/Install_Messenger_Beta.exe - 16Mb - Download - Screenshot

CryptoHeaven for Java(tm)
Send and receive secure and anonymous email. Backup, store and share files online securely. Chat and exchange secure instant messages, create secure message boards. Share document folders through easy to use interface. Communicate and collaborate with your co-workers and friends accross networks... Formally comply with privacy and security provisions of: HIPAA, GLBA, SEC 17a-4; NASD 3010 2048 to 4096 bit Asymmetric and 256 bit Symmetric Key Encryption, Automatic Key and Contact Management. ... Your data and your information stored in our Secure Data Center are illegible to anyone without...
http://www.cryptoheaven.com/Download/Files/CryptoHeaven.tar.gz - 2Mb - Download - Screenshot