https://github.com/dotnet/corefx 這個是.net core的 開源項目地址
https://github.com/aspnet 這個下面是asp.net core 框架的地址，里面有很多倉庫。
https://github.com/aspnet/EntityFrameworkCore EF Core源碼
https://github.com/aspnet/Configuration 配置模塊源碼
https://github.com/aspnet/Routing 路由模塊
https://github.com/aspnet/Security 認證及授權
https://github.com/aspnet/DependencyInjection 依賴注入
https://github.com/aspnet/HttpAbstractions 有很多的一些HTTP管道的抽象接口都定義在這里
https://github.com/aspnet/Options 看名字
https://github.com/aspnet/Mvc
https://github.com/aspnet/Hosting