Telize is a REST API built on Nginx and Lua which gets a visitor's IP address and queries location information from any IP address. It outputs JSON-encoded IP geolocation data, and supports both JSON and JSONP.
Open source project that offer summary and download services on this page is a project that carry out their development work on other open source development sites. Their work is linked to this page via a feature called OFI, and their work is not carried out here on OSDN site.
