Google Nik Collection is Now Free

The Nik Collection is a set of image enhancement tools and photographic filter plug-ins for Adobe Photoshop, Adobe Photoshop Elements, Adobe Lightroom and Apple's Aperture.
Photo enthusiasts all over the world use the Nik Collection to get the best out of their images every day.
The Nik Collection is comprised of seven desktop plug-ins that provide a powerful range of photo editing capabilities — from filter applications that improve color correction, to retouching and creative effects, to image sharpening that brings out all the hidden details, to the ability to make adjustments to the color and tonality of images.
Starting March 24, 2016, the latest Nik Collection will be freely available to download: Analog Efex Pro, Color Efex Pro, Silver Efex Pro, Viveza, HDR Efex Pro, Sharpener Pro and Dfine.
Download Google Nik Collection for free