regvizQC, a visual assessment tool for registration (based on fmriprep's QC)
regvizQC [-h] [-v] [-c CUTS] [-o OUT_DIR] [-w WORK_DIR] fixed_img moving_img mask
fixed_img Fixed image
moving_img Moving image
mask Mask over area of interest
-c, --cuts Number of images to visualize for each plane
-o, --out_dir Output directory
-w, --work_dir Working directory
-h, --help Displays help message
-v, --version Display program version
Thanks to O. Stanley for providing relevant code.