Pixelitor - Pixelitor is a cross-platform raster graphics editor written in Java.
showFoto - ShowFoto is the standalone image editor of the digiKam project.
Online Image Editor - Online editor for images and animated gifs with multiple effects and tools
PhotoFlare - Quick, simple but powerful Cross Platform image editor.
Beautify - GIMP Beautify is a set of GIMP plug-ins for quickly and easily beautify photo.
PhotoDemon - Lightweight portable BSD licensed photo editor for Windows focused on performance and usability.