Geopaparazzi is a tool developed to do fast qualitative technical and scientific surveys.
Even if the main aim is in the field of surveying, it contains tools that can be of great use also to tourists that want to keep a geo-diary.
Visit the official homepage: http://www.geopaparazzi.eu for documentation.
Visit the blog to find use cases and other info: http://jgrasstechtips.blogspot.it/search/label/geopaparazzi
Use the mailing list for any issue and if you need help: http://groups.google.com/group/geopaparazzi-users