ttskch/jp-postal-code-api

オープンソースの住所正規化ライブラリ。

templates to format geographic addresses

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

📚 Japanese and Chinese dictionaries for Yomitan.

An interactive Japanese text analysis and speech synthesis web app

仕事の日本語を、読みやすくわかりやすく書く・直すための Agent Skill です。

A curated list of resources for Japanese natural language processing (NLP): Python libraries, LLMs, dictionaries, corpora, and datasets. Includes Claude Code and Codex skills to search resources.

A browser extension to translate Japanese by hovering over words.