Many Nik Collection plugins features an overall "Opacity" or "Strength" slider at the bottom of the right-hand panel. If an imported preset feels too aggressive on your specific raw file, simply back the opacity down to 50% or 60% for a more subtle, organic integration.
Some popular websites and resources for free exclusive Nik Collection presets and recipes include: nik collection presets and recipes free exclusive
Another forum user compiled "a hoard of presets and recipes collected over the years from all across the web" after the original Nik/Google presets became unavailable. These are entirely free and legal to use since they're user-created content. Many Nik Collection plugins features an overall "Opacity"
Out of the box, Nik Collection 6 or 7 includes around 300 presets. They are solid starting points, but they suffer from two fatal flaws: These are entirely free and legal to use
A: No. You need Nik Collection installed as a host plugin. However, we included the video LUTs which work in Lightroom Classic via the Profile Browser.