imgproxy / imgproxy

Fast and secure standalone server for resizing, processing, and converting images on the fly

weserv / images

Source code of wsrv.nl (formerly images.weserv.nl), to be used on your own server(s).

imazen / imageflow

High-performance image manipulation for web servers. Includes imageflow_server, imageflow_tool, and libimageflow

cshum / imagor

Fast, secure image processing server and Go library, using libvips