Steghide is described as 'Steganography program that is able to hide data in various kinds of image- and audio-files. The color- respectivly sample-frequencies are not changed thus making the embedding resistant against first-order statistical tests' and is an app. There are more than 10 alternatives to Steghide for a variety of platforms, including Windows, Mac, Linux, Web-based and BSD apps. The best Steghide alternative is DeepSound, which is free. Other great apps like Steghide are Stegcore, OpenPuff, Openstego and SilentEye.
MP3Stego will hide information in MP3 files during the compression process. The data is first compressed, encrypted and then hidden in the MP3 bit stream. Although MP3Stego has been written with steganographic applications in mind it might be used as a copyright marking system...
QuickStego is a handy, easy to use tool specially designed to help you hide text in pictures so that only other users of QuickStego can retrieve and read the hidden secret messages.
StegCloak is a pure JavaScript steganography module designed in functional programming style, to hide secrets inside text by compressing and encrypting the secret before cloaking it with special unicode invisible characters.
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