dotnet — open-source software health

npm

91Excellenthealth index

ASP.NET Core is a cross-platform .NET framework for building modern cloud-based web applications on Windows, Mac, or Linux.

C#★ 38.2KJul 21, 2026

MITJul 21, 2026 · metrics 1.13.0

RubyGems

89Excellenthealth index

Dependabot/dependabot-core

🤖 Dependabot's core logic for creating update PRs.

Ruby · C#★ 5,683Jul 16, 2026

MITJul 16, 2026 · metrics 1.13.0

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89Excellenthealth index

dotnet/runtime

.NET is a cross-platform runtime for cloud, mobile, desktop, and IoT apps.

C#★ 18.1KJul 16, 2026

MITJul 16, 2026 · metrics 1.13.0

PyPI

89Excellenthealth index

microsoft/agent-framework

A framework for building, orchestrating and deploying AI agents and multi-agent workflows with support for Python and .NET.

Python · C#★ 12.1KJul 15, 2026

MITJul 15, 2026 · metrics 1.13.0

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88Excellenthealth index

dotnet/extensions

This repository contains a suite of libraries that provide facilities commonly needed when creating production-ready applications.

C#★ 3,191Jul 20, 2026

MITJul 20, 2026 · metrics 1.13.0

Go · npm · PyPI

88Excellenthealth index

marapongo/mu

Pulumi - Infrastructure as Code in any programming language 🚀

Go★ 25.4KJul 16, 2026

Apache-2.0Jul 16, 2026 · metrics 1.13.0

Go · npm · PyPI

88Excellenthealth index

pulumi/coconut

Pulumi - Infrastructure as Code in any programming language 🚀

Go★ 25.4KJul 16, 2026

Apache-2.0Jul 16, 2026 · metrics 1.13.0

Go · npm · PyPI

88Excellenthealth index

pulumi/lumi

Pulumi - Infrastructure as Code in any programming language 🚀

Go★ 25.4KJul 16, 2026

Apache-2.0Jul 16, 2026 · metrics 1.13.0

Go · npm · PyPI

88Excellenthealth index

pulumi/pulumi-fabric

Pulumi - Infrastructure as Code in any programming language 🚀

Go★ 25.4KJul 16, 2026

Apache-2.0Jul 16, 2026 · metrics 1.13.0

npm · Go · PyPI

87Excellenthealth index

Pulumi/pulumi

Pulumi - Infrastructure as Code in any programming language 🚀

Go★ 25.4K↓ 22.2K/moJul 17, 2026

Apache-2.0Jul 17, 2026 · metrics 1.13.0

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86Excellenthealth index

App-vNext/Polly

Polly is a .NET resilience and transient-fault-handling library that allows developers to express policies such as Retry, Circuit Breaker, Timeout, Bulkhead Isolation, and Fallback in a fluent and thread-safe manner. From version 6.0.1, Polly targets .NET Standard 1.1 and 2.0+.

C#★ 14.2KJul 16, 2026

BSD-3-ClauseJul 16, 2026 · metrics 1.13.0

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86Excellenthealth index

dotnet/maui

.NET MAUI is the .NET Multi-platform App UI, a framework for building native device applications spanning mobile, tablet, and desktop.

C#★ 23.3KJul 16, 2026

MITJul 16, 2026 · metrics 1.13.0

npm

86Excellenthealth index

microsoft/aspire

Aspire is the tool for code-first, extensible, observable dev and deploy.

C# · TypeScript★ 6,166Jul 16, 2026

MITJul 16, 2026 · metrics 1.13.0

npm

85Excellenthealth index

microsoft/kiota

OpenAPI based HTTP Client code generator

C#★ 3,786Jul 20, 2026

MITJul 20, 2026 · metrics 1.13.0

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84Goodhealth index

Microsoft/visualfsharp

The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio

F#★ 4,321Jul 18, 2026

MITJul 18, 2026 · metrics 1.13.0

npm · PyPI · RubyGems +2

84Goodhealth index

cucumber/cucumber-expressions

Human friendly alternative to Regular Expressions

Java · Go · C#★ 199↓ 16.4M/moJul 20, 2026

MITJul 20, 2026 · metrics 1.13.0

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84Goodhealth index

dotnet/fsharp

The F# compiler, F# core library, F# language service, and F# tooling integration for Visual Studio

F#★ 4,317Jul 17, 2026

MITJul 17, 2026 · metrics 1.13.0

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84Goodhealth index

microsoft/testfx

This repository holds the source code of Microsoft.Testing.Platform (MTP), a lightweight alternative to VSTest, as well as MSTest adapter and framework.

C#★ 1,031Jul 16, 2026

MITJul 16, 2026 · metrics 1.13.0

npm · NuGet

84Goodhealth index

unoplatform/uno

Open-source platform for building cross-platform native Mobile, Web, Desktop, and Embedded apps from a single C#/XAML codebase. Work from any IDE/CLI with Hot Reload, Visual Designer, MCPs, and Skills built for modern .NET workflows. 200M+ NuGet downloads.

C#★ 9,982Jul 17, 2026

Apache-2.0Jul 17, 2026 · metrics 1.13.0

npm

83Goodhealth index

Azure/azure-sdk-for-net

This repository is for active development of the Azure SDK for .NET. For consumers of the SDK we recommend visiting our public developer docs at https://learn.microsoft.com/dotnet/azure/ or our versioned developer docs at https://azure.github.io/azure-sdk-for-net.

C#★ 6,028↓ 11/moJul 16, 2026

MITJul 16, 2026 · metrics 1.13.0

Go · npm · PyPI

83Goodhealth index

keyval-dev/odigos

Distributed tracing without code changes. 🚀 Instantly monitor any application using OpenTelemetry and eBPF

Go★ 3,668Jul 17, 2026

Apache-2.0Jul 17, 2026 · metrics 1.13.0

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83Goodhealth index

microsoft/vstest

Visual Studio Test Platform is the runner and engine that powers test explorer and vstest.console.

C#★ 965Jul 16, 2026

MITJul 16, 2026 · metrics 1.13.0

npm

82Goodhealth index

GitTools/GitVersion

From git log to SemVer in no time

C#★ 3,138Jul 18, 2026

MITJul 18, 2026 · metrics 1.13.0

NuGet

82Goodhealth index

MonoGame/MonoGame

One framework for creating powerful cross-platform games.

C# · C★ 14.2KJul 21, 2026

Custom licenseJul 21, 2026 · metrics 1.13.0

Packagist · Go · Maven +1

82Goodhealth index

apache/avro

Apache Avro is a data serialization system.

Java · C#★ 3,289↓ 18.6K/moJul 23, 2026

Apache-2.0Jul 23, 2026 · metrics 1.13.0

npm · PyPI · Packagist +4

82Goodhealth index

cucumber/gherkin

A parser and compiler for the Gherkin language.

C★ 372↓ 27.8M/moJul 19, 2026

MITJul 19, 2026 · metrics 1.13.0

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81Goodhealth index

Microsoft/perfview

PerfView is a CPU and memory performance-analysis tool

C#★ 4,715Jul 17, 2026

MITJul 17, 2026 · metrics 1.13.0

npm · NuGet

81Goodhealth index

openai/openai-dotnet

The official .NET library for the OpenAI API

C#★ 2,651Jul 17, 2026

MITJul 17, 2026 · metrics 1.13.0

Go · PyPI

81Goodhealth index

pulumi/pulumi-aws

An Amazon Web Services (AWS) Pulumi resource package, providing multi-language access to AWS

Go★ 577Jul 19, 2026

Apache-2.0Jul 19, 2026 · metrics 1.13.0

NuGet · PyPI

80Goodhealth index

ThreeMammals/Ocelot

.NET API Gateway

C#★ 8,717Jul 20, 2026

MITJul 20, 2026 · metrics 1.13.0

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