Capture One 12 announced with support for the Nikon Z7 and Z6 cameras.
DxO PhotoLab 2.1 added support for the Nikon Z7 and Nikkor Z 24-70mm f/4 S lens. The Nikkor Z 35mm f/1.8 S and 50mm f/1.8 S modules will be available in early 2019 (press release).
The latest version of Silkypix supports the Nikon Z6 (source).
Iridient N-Transformer 1.0 for Windows and macOS and Iridient Developer 3.3.5 have been released with support for the Nikon Z7, Z6 and P1000 cameras.
