One may create or edit a picture directly at a Web page. A picture may be uploaded/downloaded to/from a server in PNG format. Installation assistance.[Commercial/Evaluation]
Allows to process a photo online: crop, resize, rotate, flip. The resulting image can be uploaded to the server in JPEG format. No plug-in is required. [Shareware]
A simple Java applet that lets embed photographic VR in web pages without any plug-ins. It's much like what Apple calls a Quicktime VR "Object Movie". [Open source, GPL]