The Nik Collection 4 has been Updated and Enhanced with Version 4.1 | Fstoppers
Nik Collection 3 by DxO announced: Includes new Perspective Efex, faster workflow & more: Digital Photography Review
Google Nik Collection: How to add to Photoshop & use the UI
Mastering the Nik Collection - 3: Color Efex Pro 4 - Photoshop Plugin & More! - YouTube
Using Nik Complete – Tonal Contrast Filter to Increase Drama in Skies and Clouds | Scenic Landscape and Nature Photographs by Derrald Farnsworth-Livingston