Boostport/address

A PHP addressing library, powered by CLDR and Google's address data.

Universal international address formatter in Javascript

templates to format geographic addresses

A C library for parsing/normalizing street addresses around the world. Powered by statistical NLP and open geo data.

Postal code / zipcode validation for Rails, supporting 233 country codes

A self-hosted address and synthetic test-profile generator for 27 countries and regions, built from real open-data streets, administrative areas, coordinates, and postcodes. Supports multilingual output, IP-nearby generation, map previews, and API access. 基于真实开放数据的自托管地址与合成测试资料生成器，覆盖 27 个国家和地区，支持多语言地址、IP 附近生成、地图预览与 API 调用

A gem to assist with the internationalization and localization of ruby code

Deepparse is a state-of-the-art library for parsing multinational street addresses using deep learning

オープンソースの住所正規化ライブラリ。