libvips is a 2D image processing library. Compared to similar libraries, libvips
runs quickly and uses little memory.  libvips is licensed under the LGPL 2.1+

It has around 300 operations covering arithmetic, histograms, convolutions,
morphological operations, frequency filtering, colour, resampling, statistics
and others. It supports a large range of numeric formats, from 8-bit int to
128-bit complex. It supports a good range of image formats, including JPEG,
TIFF, PNG, WebP, FITS, Matlab, OpenEXR, DeepZoom, and OpenSlide.  It can also
load images via ImageMagick or GraphicsMagick.

It has APIs for C and C++ and comes with a Python binding and a command-line
interface. Bindings are available for Ruby, JavaScript and others.