C# (.NET) Community Chooses Best Libraries of 2024

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C# (.NET) Community Chooses Best Libraries of the Year

Every year, the .NET developer community votes for the best libraries that simplify development, improve performance, and open up new possibilities. Based on the results of 2024, winners were determined in key categories. We have gathered the main projects that every C# developer should know.

🏆 Winners in Main Categories

Best Library for Web Development — FluentValidation. An indispensable tool for building strict and readable validation rules for models in ASP.NET Core. Supports integration with DI containers and automatic error message generation.
Best Library for Working with Databases — Dapper. A lightweight ORM from the Stack Overflow team that combines the speed of ADO.NET with the convenience of object mapping. Ideal for microservices and high-load systems.
Best Library for Testing — xUnit.net. A modern framework for unit testing that supports parallel test execution and integration with .NET Core. The choice of the professional community.
Best Library for Utilities — Humanizer. A library for "humanizing" data: converting dates into relative strings ("3 minutes ago"), cases, declensions, and byte formatting.

🥇 Community Special Awards

Best Library for AI and Machine Learning — ML.NET. A framework from Microsoft that allows embedding machine learning models directly into .NET applications without switching to Python. In 2024, it received support for ONNX Runtime and AutoML.
Best Library for Working with HTTP — Refit. A declarative REST client that turns interfaces into ready-made HTTP requests. Minimum code — maximum functionality.
Breakthrough of the Year — NetEscapades.Configuration.Yaml. A library that added support for YAML files to standard .NET configuration. In demand in DevOps scenarios and Kubernetes.

📊 Trends of 2024 in the .NET World

The voting showed that the community is increasingly interested in performance and asynchrony. Among the notable trends:

Growing popularity of libraries for AOT compilation and Native AOT (e.g., NativeAOT-compatible versions of Newtonsoft.Json).
An increase in the number of open-source projects supporting .NET 8 and .NET 9 Preview.
Integration with cloud platforms: libraries for Azure, AWS, and Google Cloud received 40% of votes in the "Infrastructure" category.

🔧 How to Choose a Library for Your Project?

When choosing a library, experts recommend paying attention to:

The number of stars on GitHub and commit activity (check that the project is active).
Availability of documentation in Russian or English.
Compatibility with your version of .NET (check the Target Framework).
The license (MIT, Apache 2.0 — safe for commercial use).

Congratulations to all the winners