Topaz Labs has many Photoshop plugins and standalone software products dedicated to image retouching and enhancing. Among them are creative photo filters and effects that allow you to express your artistic vision. Photoshop plugins developed by Topaz Labs are available for Mac and Windows and are compatible with Adobe Photoshop CC 2016 and newer. ON1 creates world-class photo editing software applications for photographers to save them time.
Carboni Tools - are professional quality actions - macro operation sequences that you load into Adobe Photoshop® - producing top quality results you can print or use in further Adobe Photoshop® operation
Astroflats - Leverages the huge power of your GPU to separate subjects from light pollution and eliminate the sky glow gradients and hot spots in your astroimages
Star Spikes Pro - Create and control every aspect of beautiful, realistic effects, based on mathematical simulation of light diffraction, resulting in attractive 3D-looking images
Gradient Xterminator - is a gradient removal plug-in for the Windows version of Adobe Photoshop� that is fast and easy to use.
Hasta La Vista Green! - is a chromatic noise reduction tool that attempts to remove green noise and the green casts such noise may cause in some images. It is based on PixInsight's SCNR Average Neutral algorithm
White Cal - is a simple Photoshop plug-in that allows you to select an area of an image (a sample), and then it'll do a complete RGB color balance assuming that the average color in the sample is supposed to be white/neutral.
RGBC - is a simple Photoshop plug-in that allows you to easily and very precisely modify the weights of the red, green and blue channels in an RGB image.
Unsupported Plugin Mac
Annie's Astro Actions - are user-friendly tools for Photoshop that help beginners and advanced imagers alike in processing their astrophotographs.
Noise Ninja - is a professional-grade RAW converter that delivers exceptional detail, outstanding image quality, and a distinctive, natural look.
Free Logic Plugins For Mac
Starizona Action Pack - The Starizona Astronomy Action Pack for Photoshop is a set of actions that can be used to quickly and easily enhance your deep-sky astrophotos.