.NET

FSharpPlusgmpl/FSharpPlus

A base library for F# that enhances functional programming through generic programming techniques and extensions.

InfluxDB StudioCymaticLabs/InfluxDBStudio

A desktop UI management tool for InfluxDB, providing database administration, query execution, and data exploration.

X.PagedListdncuug/X.PagedList

A .NET library for easily paging and displaying IEnumerable/IQueryable data in ASP.NET applications.

FHIR .NET APIFirelyTeam/firely-net-sdk

The official .NET SDK for working with HL7 FHIR, providing models, parsers, a REST client, validation, and FhirPath evaluation.

Optionalnlkl/Optional

A robust option/maybe type for C# that provides a strongly typed alternative to null values, preventing null-reference exceptions.

Insight.Databasejonwagner/Insight.Database

A fast, lightweight .NET micro-ORM that automatically maps objects to databases with minimal configuration.

DateTimeExtensionsjoaomatossilva/DateTimeExtensions

A C# library extending System.DateTime with working day calculations, holiday support, and natural language date differences for multiple cultures.

Data Grid Extensionstom-englert/DataGridExtensions

A modular extension library that adds filtering, sorting, and Excel-like copy/paste capabilities to the WPF DataGrid control.

Evolvelecaillon/Evolve

A cross-platform database migration tool for .NET and .NET Core projects using plain SQL scripts.

Machine.Specificationsmachine/machine.specifications

A context/specification test framework for .NET that removes language noise and simplifies tests.

CatelCatel/Catel

A .NET application development platform focused on MVVM for WPF, UWP, Xamarin, and server-side Line of Business applications.

DotRecastikpil/DotRecast

A C# port of Recast & Detour, providing an industry-standard navigation mesh toolset for .NET, Unity3D, and game servers.

graphql-netckimes89/graphql-net

A .NET GraphQL implementation that converts GraphQL queries to IQueryable for efficient database execution.

NPocoschotime/NPoco

A simple micro-ORM for .NET that maps SQL query results directly to POCO objects with minimal configuration.

Esperespertechinc/esper

A Java/.NET component for complex event processing (CEP), streaming SQL, and event series analysis.

DeviceIdMatthewKing/DeviceId

A .NET library for generating unique device identifiers across Windows, Linux, and macOS platforms.

BinSkimMicrosoft/binskim

A lightweight static analysis tool that validates security and correctness characteristics of Windows PE and Linux ELF binaries.

Plotly.NETplotly/Plotly.NET

Interactive charting library for .NET languages, built on plotly.js, with APIs for F# and C#.

PancakeViewsthewissen/Xamarin.Forms.PancakeView

An extended ContentView for Xamarin.Forms with rounded corners, borders, shadows, and gradients.

Husky.Netalirezanet/Husky.Net

A .NET Git hooks tool that automatically runs tasks like linting, testing, and formatting on commit or push.

SecurityHeadersandrewlock/NetEscapades.AspNetCore.SecurityHeaders

A small ASP.NET Core middleware package for adding and customizing security headers to protect websites.

Edge.jsagracio/edge-js

Run .NET and Node.js code in-process on Windows, macOS, and Linux, enabling seamless interoperability between the two ecosystems.

GenFuMisterJames/GenFu

A .NET library for generating realistic test data by automatically populating object properties with smart defaults.

Fantomasfsprojects/fantomas

An opinionated F# source code formatter that enforces consistent style across projects.

AngouriMathasc-community/AngouriMath

An open-source cross-platform symbolic algebra library for C# and F# that solves equations, differentiates, integrates, and more.

easytcpDarthPestilane/easytcp

A lightweight TCP server framework for Go with message routing, middleware, and customizable packet handling.

SmtpServercosullivan/SmtpServer

A lightweight, high-performance SMTP server implementation in C# with ESMTP extension support.

Blazored.ModalBlazored/Modal

A customizable modal dialog component for Blazor applications, offering extensive styling and behavior options.

StratisBitcoinFullNodestratisproject/StratisBitcoinFullNode

Archived Bitcoin full node implementation in C# for Stratis blockchain technology development.

DotNetJSElringus/DotNetJS

Bootsharp streamlines integration of .NET C# apps and libraries into web projects with high-level C# to TypeScript interop.

PSCXPscx/Pscx

A comprehensive PowerShell module providing community-driven extensions including cmdlets for file management, system administration, and Active Directory.

TowelZacharyPatten/Towel

A comprehensive .NET library providing data structures, algorithms, mathematics, extensions, and utilities to enhance C# development.

Linq_Fasterjackmott/LinqFaster

High-performance LINQ-like extension methods for arrays, Span<T>, and List<T> with SIMD and parallel optimizations.

godot-inkpaulloz/godot-ink

An ink narrative scripting language integration for Godot Engine 4, enabling interactive story creation.

Sentrygetsentry/sentry-dotnet

Official Sentry SDK for .NET applications, providing error monitoring, performance tracking, and crash reporting.

RawRabbitpardahlman/RawRabbit

A modern .NET framework for communication over RabbitMQ with a modular, middleware-oriented architecture.