iGo Incognito
iGo Incognito - the most secure instant messaging system available. iGo Incognito provides encrypted instant messaging, private chats and open forums. The iGo Incognito network is built on a combination of public key encryption and the US Advanced Encryption Standard (AES). ... iGo Incongito also support voice messages and text-to-speech - it will read your messages and chats out to you. ... The free version is fully functional, and registration is completely optional. ... And your friend doesn't need to be online to receive the message - iGo Incognito supports offline messaging.
http://www.igo-incognito.com/download/IGo-Incognito1.2.exe - 2Mb - Download - Screenshot

MagicMessage
MagicMessage for Windows lets you send and receive text messages from your PC. Key Benefits: Turns your computer into a mobile phone able to send and receive text messages. Type long text messages effortlessly from the comfort of your keyboard. Fast, reliable service with guaranteed delivery of... Sending a text message is often cheaper and more efficient than a phone call. ... How it works Compose your text message and click Send. ... Receive replies to your email account for free. ... Guaranteed delivery of your text messages.
http://www.textmagic.co.uk/magicmessage/magicmessage.exe - 2Mb - Download - Screenshot

Create Message Pro
Create Message Pro allows you to configure and create stand alone . EXE files for distribution across your network or the Internet. Our Create Message Pro adds the ability to specify the message text, buttons to appear on the message, and the type of message icon that appears. ... Download Create Message Pro and test it, its free! ... Once your message is fully configured you can save that message anywhere on your computer or on your network as a free standing . ... Messages created with Create Message Pro are freely distributable to an unlimited number of computers.
http://www.rjlsoftware.com/download/exe/createmessage_setup.exe - 5Mb - Download - Screenshot

Acronyms Teen Chat Decoder
New Acronym Decoder lets you 'Crack The Secret Code' your teen uses online, in Chat Rooms, online chats,Instant Messages , & Text Messages! Kids have their own special language. They always have. Each generation develops it's own slang, and parents have always been "clueless" to what it all means. ... Kids still have their own special way of communicating, but with the invention of the Internet, chat rooms, text messaging technologies like Instant Menger, and text to text cell phone messages, parents can and do get hopelessly lost in the jargon.
http://www.teenchatdecoder.com/software/tcdsetup.exe - 6Mb - Download - Screenshot

PopMessenger
As the world starts moving faster, we all want to catch up with the latest technologies. Indeed, investing in faster, more reliable and less human-dependent technologies, is a great opportunity to win the race and beat the competition. One of the key factors of successful business operation is... PopMessenger operates as a LAN-based instant messaging system allowing for immediate rich text message and files delivery over corporate network. ... Whether you chat on public or private channel, send text messages or files, you can enjoy maximum security as application encrypts all data...
http://www.leadmind.com/pmesseng.exe - 2Mb - Download - Screenshot

Utility Phone
FREE Worldwide PC-to-PC communications using: voice, video, online/offline text messaging, text chat and file transfer, all secured using AES 256 bit encryption. Other features include activity notifications and privacy mode. For corporate V. O. I. P. ... Although this product is FREE to use, subscribers may fix/lock their User I. ... Messages sent to a recipient who is offline are stored and sent to that contact when they come online. ... D. ... instead of having to re-register every week and receive a new U.
http://www.utilityphone.com/downloads/UtilityPhoneSetup.zip - 1Mb - Download - Screenshot

Enterprise Blue SMS
Send SMS text messages from your PC. Anytime to anyone, anywhere, Worldwide! Functions include: Immediate SMS send, scheduled send*, template messages (with option of custom data fields), stored templates, stored phrases, user-configured sender details (number or alphabetic)*, contact list,... It is FREE and comes with 5 FREE messages. ... *Additional messages can be purchased which will automatically upgrade your version to 'Standard' and unlock Sender, Scheduled Send and Signature functionality.
http://www.ebsms.com/setupebsmseng.exe - 4Mb - 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. ... In those features, additional "DataSources" for scanning, rule-application, parsing, and messaging are added. ... 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...
http://www.compuquestinc.com/spdl/SPDML.EXE - 664Kb - 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

Message Boards Browser
Message Boards Browser (MBB) version 2. 0 is designed for New York Times message boards and Microsoft public newsgroup, and is distributed for free. It has an interface similar to MS Outlook, though it works for both NNTP newsgroups and with web based (HTTP) message boards. ... Filters can be set for messages containing (or not containing) text, within date limits, according author name. ... Possibility of tracking rapidly changing message boards. ... All favorites can be updated or accessed by one mouse click.
http://www.papyrussoftware.com/mbbsetup.exe - 2Mb - Download - Screenshot