1)   Harmonix 1.1
With the Harmonix PhotoShop plug-in you can draw complex wave lines build by mixing harmonic frequencies. Useful for quickly generating oscilloscope or heartmonitor display, graphs or to play around with the concepts of harmonic frequency mixing.

 2)   PDF Surgeon 1.52
PDF Surgeon is a professional PDF COS structure management tool. It is Adobe Acrobat plug-in, which provides capabilities to view and navigate COS object tree, modify PDF structure and properties of the selected objects.