darktable is an open source photography workflow application
Image loading system
Lightweight, pure-Swift library for downloading images from the web
Desktop Calculator for Linux using Kulina Graphics
ImageRevise - Effortless Image Resizing & Optimization Tool
Scriptable desktop app to correct the perspective of images
Its A Diary/TextEditor that encrypts your text data using images
A free professional Image Processing application
Haytham is an open source gaze tracker
Bildster is an image processing library for educational purposes.
View and alter images (batch processing available).
A free image processing and managing libary for windows forms.