There are 1 repository under datahiding topic.
Stego is an open-source and free steganography tool that lets you hide your secret message in an image or audio file. You will not notice any change in the image or audio file. However, your secret message will be inside the original image or audio file
Several state-of-the-arts RDH schemes for JPEG images implemented by me.
Paper - Data authentication for wireless sensor networks with high detection efficiency based on reversible watermarking