The best alternatives to Colorburn are Shape Factory, Luthouse, and FilterBaker. If these 3 options don't work for you, we've listed a few more alternatives below.
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Joseph Angelo Todaro has shared his entire collection of handmade color lookup tables (LUTs) in one very organized web library. The downloadedcube files can be used to apply the look in Adobe Premiere, Final Cut Pro X, Davinci Resolve, Lightroom, and even Photoshop. Who said premium can’t also be free?