The HyperImage platform supports the linking of (audio)-visual objects, texts and mixed-media documents. References between images in total, regions of images, annotations regarding the images, and other media, are achieved by means of hyperlinks.
This is aimed at providing a simple to use GUI for gphoto2 to be used on a netbook, such as the ASUS Eee PC with their smaller screens they wont run propriety tools as supplied by companies such as Canon.
It is currently in its early stages.