LensDoc plug-in corrects the barreling and pin-cushioning image distortions by many zoom and wide-angle lenses. It also corrects rotation and perspective distortions as well.
You can create and use your own lens correction curves.
This Photoshop plug-in creates realistic images of various lenses, crystals and glass surfaces.
Filter plugin for generating different effects in Photoshop.
Fractals and Droste Effects.
The plug-in allows to create naturally-look 3D frames.
This tool can help you to create a variety of beautiful frosty ice patterns.
EtchTone is continuous tone art Photoshop plug-in.