4) Redfield Plugins
Seamless Workshop - is a freeware Adobe Photoshop compatible plug-in filter. It composes seamless tile from any image. Also, a "surrealistic modification" of a picture can be produced. It is a powerful tool for texture creators, and a helpful toy for graphic designers. An advanced tileable algorithm is used. The unique 'Seamless Blur' effect can be useful for any available tile-able pattern. Sketch Master Plug-in - This is a manipulation tool for the creation of realistic looking hand-drawings derived from photos. You can simulate various tools such as lead pencil, ink-pencil, crayon, charcoal, airbrush, etc. Three layers with separate settings allow one to produce some effects of stylized fine-arts on all sorts of surfaces (water paper, squared paper, laid paper, canvas, leather, crepe, rag paper or any other kind of surface you wish). A smart random settings generator helps you to create your artwork by simply clicking on the Dice.
Kod:
http://www.red-field.com/Downloads.htm
5) Richard Rosenman Filters plugins
Richard Rosenman, the maker of Depth of field Generator (DOF Pro) is offering a variety of useful free Photoshop plugins on his website.
3D Sphere Generator - This filter will generate a 3D sphere and allow you to configure many of its properties.
Color Bar Generator - This filter will create color bar templates for computer and television monitor calibration.
Scanlines Generator - This filter will create those hard to produce scanlines on your image to simulate a monitor.
Tiler - This filter will make an image tileable using edge bleeding and blending algorithms.
Pinch - This filter produces pinch distortion on an image.
Superformula - This filter generates a wide variety of geometric shapes using the Superformula. The Superformula, sometimes referred to as the Super shape, was discovered by Johan Gielis. It is a simple formula that can be used to generate a wide variety of geometric shapes. Special thanks to Paul Bourke for allowing his algorithm to be ported to this plugin.
Smart De-Interlacer - This filter performs various de-interlacing procedures with fully customizable convolution controllers.
Pinocchio - This filter performs image distortions using mouse strokes.
Kod:
http://www.richardrosenman.com/software/downloads/
6) Telegraphics Plugins
Various Useful and free plug-ins for import/export as well as various other cross-platform functions. Each plugin can be used with all versions of Photoshop (3.0-7.0, CS, CS2), under Mac OS X, 9 and earlier, and Windows.
Kod:
http://www.telegraphics.com.au/sw/