IM2001
IM2001 is a freeware instant messaging software for Windows that works in your LAN on Internet. This software is under developing from a community of developers so it's totally freeware (at least the beta version). This software contains two parts: the server and client; both are for Windows and... Any message has a return receipt, so under stress conditions the messages will be sent and delivered even if the user is offline! ... The messages has been encrypted two times and also a digital check has been applied in order to guarantee the message integrity.
http://www.info2001.it/download/im2001.msi - 5Mb - Download - Screenshot

Message Smuggler
Message Smuggler is the leading software on the market of its kind, which used to smuggle or hide text message into images. This software gives you: - end of censorship - absolute security - end of any suspicions - free choice of transfer method Message Smuggler is an ideal tool for individuals... - Although images containing hidden messages, you can view the images with any conventional image viewer software. ... Nobody knows, that the image containing hidden messages. ... - Images absolutely don't lose on quality.
http://www.keepsecretinpicture.com/setup.exe - 1Mb - Download - Screenshot

Send Personally for Outlook Express
Send Personally for Outlook Express allows you to send messages to a great number of recipients from Microsoft Outlook Express. Plug-in adds a new button "Send Personally" to the toolbar of Outlook Express and offers an alternative method of sending messages from Outlook Express, separate... However, if a message is sent to hundreds of recipients, its heading size might many times exceed the size of the message text and any attachments combined. ... Moreover, the message that contains more than one recipient can be recognized like SPAM and deleted.
http://www.mapilab.com/files/oe_send_personally.zip - 2Mb - Download - Screenshot

TextTak
TextTak domain wide desktop sticky notes. TextTak is a network popup message application designed for those occasions when you need to alert a colleague quickly and almost instantly, but don't require the formality and complexity of multi-directory sent and received message storage, as typically... On receipt of a message, the TextTak message window appears on top of running applications making it hard to ignore. ... TextTak allows you to message anyone in your Domain or WorkGroup who is also running TextTak.
http://www.pcpmsoftware.co.uk/texttak/download/textt.zip - 1Mb - Download - Screenshot

Redirect for Outlook
Redirect for Outlook will provide you with the opportunity to redirect messages instead of forwarding them. Standard Microsoft Outlook features only offer the possibility to forward a message, which is not always convenient for a number of reasons: - the forwarding mode is selected deep in the... Original message headers are sent as an attachment of redirected message. ... The only thing you will have to do to reply to a message is just to click the Reply button. ... When you press Redirect menu, a new message, fully identical to original one, is created.
http://www.mapilab.com - 4Kb - Download - Screenshot

OutLock for Outlook
OutLock is an add-in for Microsoft Outlook 2000/2002 (XP)/2003 which enables you to encrypt and decrypt message items with a single click to protect your privacy. If you want to keep messages in your Outlook information store (eg. PST-File) safe you can protect the store by using a password. ... Means that the original content of a message is encrypted by OutLock and then saved to the message item. ... OutLock encrypts the message in place. ... There is no additional software necessary to encrypt or decrypt the messages.
http://www.wiredbox.de/downloads/wbolock.exe - 190Kb - Download - Screenshot

WebGate
Do you use pagers, mobile phones, or other wireless messaging devices at work? Do you want an easy way to let everyone in your company send messages to these devices from a web browser or via email? If so, WebGate by NotePage, Inc. is probably the perfect solution for you. ... WebGate includes many high-end features like multiple modem support (up to 16), intelligent message queuing, on-call groups, comprehensive message logging and reporting, remote administration and monitoring, etc. ... WebGate also supports several message delivery options such as: TAP/IXO/PET support, email delivery...
http://www.notepager.com/download/wgv3.exe - 4Mb - Download - Screenshot

Skype Message Sender
Skype Message Sender - the unique English skype message sender, let you send message to the filtered hundren millions skype online users worldwide. The most powerful message sender - we just build this highly marketing tool for webmasters, marketing companies and if you just want to chat with... Let's improve your site traffic flow now! ... Webmasters can send your site's link and messages to your target countries, languages and gender with a few clicks.
http://www.skype-sender.info/smsapp.exe - 2Mb - Download - Screenshot

Notification Mail
This program can send E-mail notification message from a file. It's a simple way to control remote processes posting a messages to specified recipient. If you run a long process and want to know result of the process or a program then all you need is to launch SMTPMSG. ... You don't need to have special E-mail client at the remote computer, all it needs is to have an access to SMTP server which will send the message for you. ... EXE and pass as a parameter file name where proper notification message is placed.
http://www.kvtsoftware.com/ftp/nmail/nmail.exe - 637Kb - Download - Screenshot

Total Text Security
Are you afraid that your boss reads your e-mail letters and ICQ messages? Are you afraid that when intercepting your correspondences, your competitors could strike at your business? Do you want to be sure the message you received was sent by your partner, and not by somebody else? ... Moreover, you can sign you message with the RSA-key, so that your partner can be sure that you and not somebody else sent the message. ... Simply type your message in the editor window of your e-mail client, ICQ client (or any other program), and Total Text Security will encrypt the message you have typed...
http://www.softsphere.com/cgi-bin/redirect.pl?Name=TTS - 463Kb - Download - Screenshot