A Ruby Web UI to manage databases. Support PostgreSQL, MySQL, SQLite, Oracle, MS-SQL, etc.

You will learn how Rack, Puma, Rails 5 works together.

基于Sinatra和Sequel的仿Rails目录结构小项目：把好书送人，请他读完后传给下个人。

A Rails5 and bootstrap CMS. Demo at

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竞猜股市指数的APP。基于react-native

Open-sourced Free ERP and CRM SaaS for company or individuals.

美德公益读书APP——基于React-Native实现。