Secret Media
Secret Media uses a specialized technique of hiding information by embedding messages within other, seemingly harmless media files. It works by embedding invisible bits of data in otherwise normal graphics and audio files (such as JPG, MP3, WMA, GIF, BMP, or WAV). ... Secret Media uses a Wizard-style interface to guide you from creating your own secret media file to viewing the hidden messages within a secret media file. ... But only you (and the people you tell) will know that there are secret messages embedded in the graphics or audio file.
http://www.directlogic.com/download/smsetup.exe - 2Mb - Download - Screenshot

Advanced Invisible Keylogger
Advanced Invisible Keylogger is the most powerful stealth spy software offered by ToolAnywhere! Advanced Invisible Keylogger runs silently at the lowest level of Windows capturing every keystroke including usernames and windows log-on passwords. Advanced Invisible Keylogger can also capture... All Desktop activity will be recorded through Advanced Invisible Keylogger's secret! ... Advanced Invisible Keylogger is so stealthy and hides so well that not even a computer technician with years of experience can detect it running!
http://www.toolsanywhere.com/dl/aik_trial.exe - 625Kb - Download - Screenshot

Invisible Secrets Encryption Software
Invisible Secrets Encryption Software 4 not only encrypts your data and files for safe keeping or for secure transfer across the net, it also hides them in places that on the surface appear totally innocent, such as picture or sound files, or web pages. ... Invisible Secrets Encryption Software 4 is shell integrated and offers a wizard that guides you through all the necessary steps needed to protect your data. ... Invisible Secrets Encryption Software 4 features: strong encryption algorithms; steganography and a library of favorite carriers locations; a password management solution that...
http://www.neobytesolutions.com/downloads/invsecr.exe - 3Mb - Download - Screenshot

Invisible Keylogger
Invisible Keylogger is a superior stealth monitoring and surveillance application that can secretly capture information on your PC without the possibility of being detected by the user being monitored! Do you need to find out what someone is doing online? ... What seperates invisible keylogger from the competition? ... Invisible Keylogger offers the smallest most stealth application money can buy! ... Very simple... ... They are big in file size, and easily detected by the end user! ... other products and keyloggers can be easily detected.
http://www.invisiblekeylogger.com/iksetup.exe - 146Kb - Download - Screenshot

BDV DataHider
Hides your data by several methods: create a Secret Diskette, hide information in bitmaps or any other files. With this program you can prepare a confidential information for invisible transfer over the Internet or on a diskette.
http://www.badevlad.com/soft/datahider.zip - 291Kb - Download - Screenshot

Ultra Keylogger
Ultra Keylogger - the all-in-one spy program wich > intercepts everything that is typed on keyboard; > controls started applications and active windows; > monitors visited URLs; > scans Windows clipboard for changes; > makes invisible screenshots every xx minutes; > writes this all to hidden... and this program is absolutely invisible for everyone except you. ... Find out all secrets: passwords, mails, internet navigation etc.! ... You will only have to press the unhide key combination to show the keylogger.
http://www.iwantsoft.com/soft/UltraKeyLog.zip - 704Kb - Download - Screenshot

HideIt!
HideIt! is your personal data key. With its help, you can easily and reliably hide any files on your home or work PC from outsiders, and unauthorized users. Nobody except you can get access to your hidden folders and files. No one will ever know that you made some of your files invisible to... creates guarded and invisible space on your hard drive. ... Such a carrier file will be used as a secret link between your hidden data and the HideIt! ... The "hiding place" will be masked by a file you can choose yourself and this file will be used as your secret data carrier and cover.
http://www.guard-software.com/products/hideit/hideit_setup.zip - 708Kb - Download - Screenshot

Screen Privacy
Screen Privacy allows you to hide and restore windows by pressing a secret key. It protects your privacy and prevent your information from being seen by anyone else. Screen Privacy allows you to work calmly and do not worry about uninvited visitors. While your application are hidden, they are... You can customize your secret hot keys and work with your lists using drag and drop interface. ... Using of this program is invisible for another persons. ... This program is very easy to use. ... It will help you wherever you are.
http://www.pictures-soft.com/sp.exe - 851Kb - Download - Screenshot

SpyAnytime PC Spy
This is a powerful spy software to secretly track all activities of computer users with just a single click, and it does NOT require you to have advanced computer skills at all. It allows you to monitor and record all areas of computer usage, e. g. keystroke, e-mail, online chat, passwords, Web... Are your employees emailing your business secret to your competitors? ... Are your kids taking secret chat conversations with an adult stranger? ... SpyAnytime PC Spy works just like a combination of invisible keyLogger, screen snapshots captor, web Urls recorder, plus application and...
http://www.waresight.com/download/sapcspy.exe - 1Mb - Download - Screenshot

WS Handy Keylogger
Have you ever wondered what your spouse, kids or employees have been doing on the computer and Internet? Is your spouse engaging in online sexual conversation while you are asleep? Are your kids taking secret chat conversations with an adult stranger? ... Are your employees emailing your business secret to your competitors? ... There are 4 main types of logs taken by Handy Keylogger: keystrokes log (absolutely all keystrokes are captured and invisible saved to this encrypted log), clipboard log (includes both text and graphics ever copied to the clipboard), snapshots (visual surveillance...
http://www.widestep.com/files/hk_setup.exe - 2Mb - Download - Screenshot