Mologogo is a free software based service that tracks GPS-enabled mobile devices in real-time...

... for Windows Mobile 5.0. Mologogo combines real-time, location-based services, social networking, and now “location aware chat,” according to its website. Mologogo users can share their location with friends, and keep tabs on their whereabouts by using GPS-enabled mobile phones and Pocket PCs. And with a recently released AP, users can upload location data to any webserver for storage and later retrieval and use. Best of all, it will be free and open source.
Via WindowsForDevicesfreeware mologogo softwares windows mobile 5