libvips / libvips

A fast image processing library with low memory needs.

niivue / niivue

a WebGL2 based medical image viewer. Supports over 30 formats of volumes and meshes.

rordenlab / dcm2niix

dcm2nii DICOM to NIfTI converter: compiled versions available from NITRC

nipy / nibabel

Python package to access a cacophony of neuro-imaging file formats