When it comes to map mashups there's no doubt that Google Maps leads the way. On ProgrammableWeb we list 1,964 Google Maps mashups, almost four times as many as any other API. This popularity makes utilities built on top of Google Maps especially interesting, such as this contextual menu control, which pops up a menu when the user right clicks.
Animetrics, a leading developer of 2D to 3D face recognition and face creation solutions, provides the Animetrics Face Recognition that can be used to detect human faces in pictures and match them against a set of known or documented faces. This tool is specifically useful for applications for the fashion and online entertainment industries, or for law enforcement or military intelligence where accurate identity resolution is a necessity.
MobileMotion Technologies, maker of the MobStac mobile platform, recently launched the MobStac API. Developers can integrate the MobStac API with any programming interface to create and manage mobile sites and apps. The MobStac platform has cemented itself as a trusted leader in mobile development, and the API simply expands its reach.