GpsPhoto.pl geotags digital photos by using GPS track data recorded at the same time. Matches are based on closest timestamps. An optionally generated Google Earth KML or KMZ file contains the GPS tracks and the geotagged photos.
LavaRnd is a random number generator that converts a digitized chaotic source (such as a lens capped web camera) into cryptographically strong random numbers. LavaRnd comes with both an APIs (currently C and Perl) as well as a number of demos.