The most often used within the industry are UltraSeps and QuikSeps. Therefore, only a small group of developers with the skills required to offer products such as these exist. Believe-it-or-not, the market for software such as this is small and highly specialized. Overall, there’s not many choices when it boils down to quality Photoshop plugins which assist in generating separations for screen printing. When researching software for the screen printing shop, all the bases need to be covered to include all variables. These include spot color, black & white style gray tone, duotone and color separations geared towards specific types of screen printing such as discharge and extended gamut CMYK with added spot colors. In addition to the above, other types of separations are often discussed. T-Shirt screen printers often ask what’s the best software for doing color separations such as simulated process color, index and 4 color process.