Services_GeoNames is a PHP library for interacting with the GeoNames API. The dependencies for this library are PHP 5.2.0, PEAR Installer 1.4.0b1, and HTTP_Request2 0.1.0.
MapAnything describes itself as a Location of Things company. Recently, the company introduced a suite of APIs that provide programmatic access to its routing and optimization engines. The company is specifically focused on fleets and routing B2B companies, and plans to introduce more APIs soon.
Your next geo app is going to be easier to build. Instead of running your own database and collecting geographic data yourself, you can build on top of TownMe and its newly-launched read/write Geo API (tech details at our TownMe API profile).
We have mashups to help us figure out where we want to go, the best way to get there, and then what's the coolest stuff to do when we get there. One thing that's often overlooked is how much it'll cost us to get from point A to point B.