Suggestions for pst-diffraction

The following packages have something in common with the package pst-diffraction. The packages are ordered in decreasing similarity.

Package pst-pulley: Plot pulleys, using PSTricks
Package pst-coil: A PSTricks package for coils, etc.
Package pst-spectra: Draw continuum, emission and absorption spectra with PSTricks
Package pst-spectrum: Output of a color spectrum for different color models
Package pst-magneticfield: Plotting a magnetic field with PSTricks
Package pst-feyn: Draw graphical elements for Feynman diagrams
Package pst-hertz: Draws the electromagnetic field of a Hertzian Dipole
Package pst-massspring: Create animations for two masses connected by a spring
Package pst-chladni: Draw the vibration of circular plates with unbound edges
Package pst-light3d: Three dimensional lighting effects (PSTricks)
Package pst-marble: A PSTricks package to draw marble-like patterns
Package pst-optexp: Drawing optical experimental setups
Package pst-optic: Drawing optics diagrams
Package pst-sigsys: Support of signal processing-related disciplines
Package pst-cox: Drawing regular complex polytopes with PSTricks
Package pst-pad: Draw simple attachment systems with PSTricks
Package pst-mirror: Images on a spherical mirror
Package pst-osci: Oscgons with PSTricks
Package pst-electricfield: Draw electric field and equipotential lines with PSTricks
Package pst-vehicle: A PSTricks package for rolling vehicles on graphs of mathematical functions
Package pst-moire: A PSTricks package to draw moiré patterns
Package pst-fractal: Draw fractal sets using PSTricks
Package pst-lsystem: Create images based on a L-system
Package pst-geometrictools: A PSTricks package to draw geometric tools
Package pst-eqhz: Superposition of the horizontal and equatorial coordinate systems
Package pst-vue3d: Draw perspective views of three dimensional objects
Package pst-stru: Civil engineering diagrams, using PSTricks
Package pst-labo: Draw objects for Chemistry laboratories
Package pst-func: PSTricks package for plotting mathematical functions
Package pst-eucl: Euclidean geometry with PSTricks
Package pst-gears: Drawing internal and external gears