Top 7 district open source projects

⚠️ [Deprecated] No longer maintained. A simple jQuery plugin for picking provinces, cities and districts of China. (中国 / 省市区 / 三级联动 / 地址选择器)

citypicker城市选择器，详细的省市区地址信息，支持仿iOS滚轮实现，仿京东样式，一级或者三级列表展示方式。

MemeFactory is a platform for the decentralized creation, issuance, and exchange of provably rare digital collectibles on the Ethereum blockchain.

腾讯位置服务中国标准行政区划数据 SDK

Some examples of Baidu Map API

A peer-to-peer marketplace for the exchange of names registered via the Ethereum Name Service

CoWIN Vaccine availability notifier for India