PiP for Mac - Always on top window preview similar to the popular windows only OnTopReplica
Image Steganography - Snapshot Steganography is a free software that is used to cover text or file to safeguard from unauthorized access.
Helium - Helium lets you accept payments by credit card for anything you want to sell online.
QuickStego - With the progress of community, information transmission becomes quicker and more effortless.
X-Mouse Button Control - XMouse Button Control (XMBC) allows you to create application and window specific profiles.
StegoStick - StegoStick beta is an open source steganography application that lets you conceal any sort of file in JPG, BMP, GIF, WAV, AVI, and different more than a few binary file types.