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.

ConcurrentHashSet by: Bar Arnon

A thread-safe hash-based set

Confluent.Kafka by: Confluent Inc. Andreas Heider

Confluent's .NET Client for Apache Kafka

Consul by: PlayFab G-Research

Consul.NET is a .NET client library for the Consul HTTP API

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

CoreCompat.System.Drawing

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, Kyrgyz and Japanese.

CryptoExchange.Net by: JKorf

CryptoExchange.Net is a base library which is used to implement different cryptocurrency (exchange) API's. It provides a standardized way of implementing different API's, which results in a very similar experience for users of the API implementations.

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.

Dapper.Contrib by: Sam Saffron Johan Danforth

The official collection of get, insert, update and delete helpers for Dapper.net. Also handles lists of entities and optional "dirty" tracking of interface-based entities.

Darabonba by: Alibaba Cloud

Alibaba Cloud Dara Core SDK for .NET

Deedle by: BlueMountain Capital FsLab

Deedle implements an efficient and robust frame and series data structures for manipulating with structured data. It supports handling of missing values, aggregations, grouping, joining, statistical functions and more. For frames and series with ordered indices (such as time series), automatic alignment is also available.

DH.Base by: 湖北登灏科技有限公司

用于DH框架的最基础类库，支持Xamarin/Asp.net Core/.net core/winform/wpf

DH.Common by: 湖北登灏科技有限公司

DH框架基类核心库

DH.MySql by: 湖北登灏科技有限公司

Pure C# high-performance MySQL ADO.NET driver. Zero third-party dependencies, full async/await, Pipelined Batch Execution for 2~3× faster batch DML. MIT license. Supports net45~net11, MySQL 5.x~9.0+, OceanBase, TiDB, Doris, Aurora, CloudSQL.

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 11. 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 11全版本。

DH.NIoT by: 湖北登灏科技有限公司

IoT Standard Library — defines unified communication protocol contracts for IoT platforms and hardware drivers. No concrete protocol implementations. Async-first IDriver with structured results: ReadResult (Quality/Timestamp), WriteResult (zero-allocation struct), ControlResult. ThingSpec thing model for properties/events/services. ITransport unifies serial/TCP/UDP/HTTP transport. | IoT标准库，为物联网平台与硬件驱动定义统一通信协议契约，不含具体协议实现。异步优先IDriver配合结构化结果。ThingSpec物模型。ITransport统一传输层。