Apps similar to JWProtect include IMATAG. It's paid, but InvisibleWatermark.net and invisible-watermark are free. In total there are three apps like JWProtect for Windows and the web.
Protect your business from unwanted use of your images and videos.
Identify the sources of leaks with our invisible digital watermark Before sharing sensitive assets, secure them with an invisible ID. Easily detect the source of leakage
Track copies of your photos and video.
Invisible watermarks are a way to hide text or images inside of photographs. This is most often used as a way to protect your photographs from being copied.
invisible-watermark is a python library and command line tool for creating invisible watermark over image.
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