Freeware
Camouflage

Camouflage

Generate realistic camouflage patterns in Photoshop.
Harmonix

Harmonix

Mix and render harmonic waves with this Photoshop plug-in.
NightVision

NightVision

Add realistic night-goggle and imaging distortion to images.
Snowflakes

Snowflakes

Render falling snowflakes, confetti and other particle effects in Photoshop.
SnowScape

SnowScape

Cover any landscape or object in snow with this Photoshop plug-in.