A collection of photography plugins for Adobe Photoshop, Photoshop Elements and Lightroom. Beside the quality, Topaz is famous with their policy to not charge for upgrades, in other words you are buying life time license!
Filter Forge is all in one plugin for designers and photographers. One of the best investments that I can recommend to Photoshop and Photoshop Elements users.
Akvis offers various highest quality plugins for professional and amateur photographers and designers. With Akvis software you can boost productivity and to make your tasks easy and fun.