Make any photo into a pencil drawing with this plugin. https://github .com/LinuxBeaver/gegl-pencil-drawing---GEGL-renders-your-image-as-a-pencil-drawing/ : r/GIMP
GitHub Student Developer Pack - GitHub Education
GitHub - cliffren/PENCIL: PENCIL is a novel tool for singlecell data analysis to identify phenotype associated subpopulations and informative genes simultaneously.