tahakadhim00-afk / OB2

A fast download manager for Windows. Splits files into multiple connections for speed, pauses and resumes anytime, organizes downloads into categories and scheduled queues, and catches downloads straight from Chrome and Edge, including videos from YouTube and other sites with your choice of quality.

meziantou / Meziantou.Analyzer

A powerful C# Roslyn analyzer that uses static analysis to detect bugs, surface security issues, and enforce best practices—helping developers and AI write more reliable code.

saucecontrol / PhotoSauce

MagicScaler high-performance, high-quality image processing pipeline for .NET

louthy / language-ext

C# pure functional programming framework - come and get declarative!

Caliburn-Micro / Caliburn.Micro

A small, yet powerful framework, designed for building applications across all XAML platforms. Its strong support for MV* patterns will enable you to build your solution quickly, without the need to sacrifice code quality or testability.

SonarSource / sonar-dotnet

Code analyzer for C# and VB.NET projects

ASC-Community / AngouriMath

Open-source cross-platform symbolic algebra library for C# and F#. Can be used for both production and research purposes.

syncfusion / maui-toolkit

Syncfusion Toolkit for .NET MAUI offers high-quality UI controls to help you build rich, high-performance applications for iOS, Android, macOS, and Windows from a single codebase

SonarSource / sonarlint-visualstudio

SonarQube extension for Visual Studio providing code quality and security feedback directly in the IDE