Crosti is described as 'This tool allows you to make your own unique cross stitch scheme from custom image. You can resize and rotate image, reduce the number of colors, change image palette, make cross stitch design, preview it, save and print' and is an app in the photos & graphics category. There are five alternatives to Crosti for Windows, Linux, Mac, Raspberry Pi and Inkscape. The best alternative is Ink/Stitch, which is both free and Open Source. Other great apps like Crosti are Embroidermodder, Cstitch, PCStitch and KXStitch.
Embroidermodder is a free machine embroidery software program which allows editing, scaling, and translating sewing machine embroidery files to a variety of formats. It allows the user to add custom modifications to their embroidery designs.