
Description: Steghide is a free open source steganography program that allows users to conceal messages or files within other files. It supports JPEG images, BMP images, WAV and AU audio files as covers.
Type: Open Source Test Automation Framework
Founded: 2011
Primary Use: Mobile app testing automation
Supported Platforms: iOS, Android, Windows

Description: mp3stego is an open source software that can hide secret data in MP3 files. It embeds messages in MP3 files by slightly modifying the binary data patterns of the audio file to encode the secret message, while maintaining good audio quality.
Type: Cloud-based Test Automation Platform
Founded: 2015
Primary Use: Web, mobile, and API testing
Supported Platforms: Web, iOS, Android, API