Modest Maps is a display and interaction library for tile-based maps in Flash and Python that can display maps from external sources (e.g. OpenStreetMap, NASA Blue Marble, Yahoo!, Microsoft, but not Google Maps
A suite of products developed for web designers that may be used to convert large images into a form that can be zoomed and panned. Zoomify enables large images to be viewed and manipulated, without an increase in server load or download time. It converts large images stored in raster formats (e.g. TIFF, JPEG) into a set of pieces or 'tiles' The individual pieces contain sub-sections of the image at different resolutions or levels of zoom, which are combined to create a type of mosaic.