OpenRefine is a free, open source power tool for working with messy data and improving it

Open Location Code is a library to generate short codes, called "plus codes", that can be used as digital addresses where street addresses don't exist.

饭否Android客户端开源项目

An Android Startup News Client!

HanLP中文分词Lucene插件，支持包括Solr在内的基于Lucene的系统

Okapi core and modules

A java framework for filtering and modifying records from various sources