Photos and Images

FastStone Image Viewer FastStone Image Viewer — editor, graphic browser, as well as a convector with a wide range of functions.
Blender Blender — free, professional package for creating 3D computer graphics.
Paint.NET Paint.NET — free image editor for processing and creating graphics.
Artweaver Free Artweaver Free — utility that helps to process photos, and various pictures.
PhotoStage Slideshow PhotoStage Slideshow — free program for creating dynamic slideshows from user photos.
XnView XnView — one of the best free viewers / converters of image files for PC.
GIMP GIMP — utility that allows you to build, edit, create photos and pictures.
Google Earth Google Earth — utility that allows you to see photos from satellites, 3D models, as well as other data about the planet.
Krita Krita — modern free raster graphic editor for creating images from scratch.
PhotoScape PhotoScape — modern free raster graphic editor with great features.
IrfanView IrfanView — popular powerful program for viewing and editing various photos.