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.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。

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.NRedis by: 湖北登灏科技有限公司

性能Redis客户端，支持RESP2/RESP3协议，覆盖Redis 2.8～7.x全部数据结构与命令，内置消息队列（简单/可靠/延迟/Stream），支持集群/哨兵/云厂商适配，经日均80+亿次调用验证

DH.NRedis.Extensions by: 湖北登灏科技有限公司

Redis依赖注入扩展，支持IDistributedCache分布式缓存接口和IDataProtection数据保护，简化ASP.NET Core集成

DH.NRemoting by: 湖北登灏科技有限公司

提供RPC、HTTP、WebSocket与SRMP统一通信能力

DH.NStardust by: 湖北登灏科技有限公司

星尘分布式服务框架核心库。提供配置中心、注册中心、服务发现、全链路追踪、APM性能监控、日志中心等客户端SDK，支持配置拉取、服务注册与发现、调用追踪、性能和日志上报。

diskann-garnet by: Microsoft

DiskANN FFI and Data Provider for Garnet