PolySharp provides generated, source-only polyfills for C# language features, to easily use all runtime-agnostic features downlevel. Add a reference, set your C# version to latest and have fun! 🚀

A Roslyn analyzer to enforce some good practices in C#.

Curated list of awesome Roslyn books, tutorials, open-source projects, analyzers, code fixes, refactorings, and source generators

Alloc-free and fast replacement for Linq, with code generation

Roslyn analyzer that finds usages of APIs that will throw PlatformNotSupportedException on certain platforms.

The ultimate fast alternative to Activator.CreateInstance<T> / new T()

Keyset/Seek/Cursor pagination for Entity Framework Core.

Roslyn analyzers that aim to help security audit on .NET applications.

A small front-end framework for Unity's UIToolkit powered by code generation.

AsyncFixer: Async/Await Analyzers and Code Fixes

Roslyn analyzers for xUnit.net (please open issues in https://github.com/xunit/xunit)

A source code generator for automatically implementing IEquatable<T> using only attributes.

Transform your codebase into an intelligent knowledge base for AI-powered development with Cursor IDE, Google AntiGravity, and MCP-enabled assistants

Roslyn analyzers for writing unit tests with NUnit

Lightweight fork of the .NET Compiler Platform ("Roslyn") by adding a compiler plugin infrastructure

Building unbreakable modular monoliths in .NET. Ensuring that the last feature you build is just as easy to ship as the first.

C# Analyzer Adding Exhaustive Checking of Switch Statements and Expressions

Your codebase - is your Knowledge Graph

A Roslyn-based C# analyzer that detects exception handling patterns in your code

C# immutable records generator

Durian is a collection of Roslyn-based analyzers and source generators that extend the default capabilities of C#.

Collection of useful Roslyn analyzers and code fixes.

Roslyn analyzers for Visual Studio extensions

Roslyn语法分析器

A Roslyn analyzer with rules related to generation and consumption of enumerables and async enumerables in C#.

ZeroIoC is reflectionless IoC Container for C#

DEPRECATED (U#1.0 not supported) .NET Roslyn Analyzer for VRChat Udon and UdonSharp.

surfacing defects at compile time and preventing issues that would otherwise go unnoticed

Automatic implemention of stronly typed IDs via record structs with compile-time feature auto-detection

This is a Visual Studio Extension and NuGet package that should identify and fix problems as memleaks while using IDisposables.