* [MaxMind DB Reader for Go v2.5.0](https://github.com/oschwald/maxminddb-golang) – Go library for reading MaxMind DB format geolocation databases with performance-optimized features. * [node-maxmind v5.0.7](https://github.com/runk/node-maxmind) – JavaScript GeoIP lookup library using MaxMind mmdb/GeoIP2 binary databases with high-performance, caching, and IPv6 support.