Writes data (e. g. files, passwords, encrypted text, ...) hidden in an image. The data will be hidden in the color-channels from the image. There is no difference for human eyes between the image with no hidden data and the image with hidden data!
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.