CommonServiceLocator by: .NET Foundation and Contributors

The library provides an abstraction over IoC containers and service locators. Using the library allows an application to indirectly access the capabilities without relying on hard references.

CommunityToolkit.Mvvm by: Microsoft

This package includes a .NET MVVM library with helpers such as: - ObservableObject: a base class for objects implementing the INotifyPropertyChanged interface. - ObservableRecipient: a base class for observable objects with support for the IMessenger service. - ObservableValidator: a base class for objects implementing the INotifyDataErrorInfo interface. - RelayCommand: a simple delegate command implementing the ICommand interface. - AsyncRelayCommand: a delegate command supporting asynchronous operations and cancellation. - WeakReferenceMessenger: a messaging system to exchange messages through different loosely-coupled objects. - StrongReferenceMessenger: a high-performance messaging system that trades weak references for speed. - Ioc: a helper class to configure dependency injection service containers.

CommunityToolkit.WinUI.Notifications by: Microsoft.Toolkit dotnetfoundation

The official way to send toast notifications on Windows 10 via code rather than XML, with the help of IntelliSense. Supports all C# app types, including WPF, UWP, WinForms, and Console, even without packaging your app as MSIX. Also supports C++ UWP apps. Additionally, generate notification payloads from your ASP.NET web server to send as push notifications, or generate notification payloads from class libraries. For UWP/MSIX apps, you can also generate tile and badge notifications.

CoreCompat.System.Drawing by: CoreCompat.System.Drawing

CoreCompat.System.Drawing

Costura.Fody by: geertvanhorrik simoncropp

Fody add-in for embedding references as resources.

coverlet.collector by: tonerdo

Coverlet is a cross platform code coverage library for .NET, with support for line, branch and method coverage.

CronExpressionDescriptor by: Brady Holt

A library that converts cron expressions into human readable descriptions. Supports multiple languages including: English, Brazillian, Spanish, Norwgian, Turkish, Dutch, Chinese Simplified, Russian, French, German, Ukrainian, Persian (Farsi), Polish, Romanian, Italian, Swedish, Slovenian, Danish, Finnish, Greek, Kazakh and Japanese.

CSRedisCore by: CSRedisCore

CSRedis 是 redis.io 官方推荐库，支持 redis-trib集群、哨兵、私有分区与连接池管理技术，简易 RedisHelper 静态类。

Dapper by: Sam Saffron Marc Gravell Nick Craver

A high performance Micro-ORM supporting SQL Server, MySQL, Sqlite, SqlCE, Firebird etc. Major Sponsor: Dapper Plus from ZZZ Projects.

Darabonba by: Alibaba Cloud

Alibaba Cloud Dara Core SDK for .NET

DeviceDetector.NET by: totpero

The Universal Device Detection library for .NET that parses User Agents and detects devices (desktop, tablet, mobile, tv, cars, console, etc.), clients (browsers, feed readers, media players, PIMs, ...), operating systems, brands and models. This is a port of the popular PHP device-detector library to C#. For the most part you can just follow the documentation for device-detector with no issue.

DH.MySql by: 湖北登灏科技有限公司

基于DH框架的纯国产高性能MySQL驱动，零第三方依赖，管道化批量执行领先竞品2~3倍，全链路真异步，MIT协议商用无忧

DH.NAgent by: 湖北登灏科技有限公司

跨平台系统服务与守护进程管理框架，支持安装、监控与自动重启。

DH.NCode by: 湖北登灏科技有限公司

高性能 .NET 数据中间件（超级ORM），聚焦添删改查与海量数据，内置多级缓存、自动迁移、分表分库、强类型查询与跨库迁移。

DH.NCore by: 湖北登灏科技有限公司

Core library of NewLife framework. Provides high-performance infrastructure for building scalable applications: logging (file/network), configuration (XML/JSON/HTTP), cache (memory/distributed), network (TCP/UDP/HTTP/WebSocket), serialization (binary/XML/JSON), APM tracing, IoC container, actor model, timer scheduler, plugin framework, and more. Supports .NET Framework 4.5 to .NET 10. 核心组件库，为构建可扩展应用程序提供高性能基础设施。提供日志（文件/网络）、配置（XML/JSON/HTTP）、缓存（内存/分布式）、网络（TCP/UDP/HTTP/WebSocket）、序列化（Binary/XML/JSON）、APM性能追踪、对象容器、并行模型、定时调度、插件框架等。支持.NET Framework 4.5至.NET 10全版本。

DH.NCube.Core by: 湖北登灏科技有限公司

Web快速开发平台，搭建管理后台，灵活可扩展！内部集成了用户权限管理、模板继承、SSO登录、OAuth服务端、数据导出与分享等多个功能模块，在真实项目中经历过单表100亿数据添删改查的考验。

DH.NFuji by: 湖北登灏科技有限公司

富士PLC协议

DH.NIoT by: 湖北登灏科技有限公司

IoT标准库，定义物联网领域的各种通信协议标准规范，包括驱动接口、物模型、设备控制器等，不含具体实现。用于IoT平台建设及统一硬件驱动协议

DH.NIP by: 湖北登灏科技有限公司

高性能本地IPv4归属地查询库，基于MMF二分检索并支持IP库自动更新。

DH.NLoRa by: 湖北登灏科技有限公司

超低功耗的物联网远程通信协议LoRaWAN