There are 1 repository under djvul topic.
Program to create djvu from multiple files (using djvulibre)
Linux fork BookScanLib.ru (http://djvu-soft.narod.ru/bookscanlib/).
Easy converting pgm and ppm to (MASK+FG+BG)-djvu.
Easy converting PNM to (MASK+FG+BG)-pdf.
DjVu Layered - image bundle on the mask + foreground + background using "Multi-scale binarization".
Demo of stb-image-djvul