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Resharper

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Article Genealogy
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Resharper
NameReSharper
DeveloperJetBrains
Released2004
Latest release2024
Operating systemWindows
PlatformMicrosoft Visual Studio
LicenseProprietary

Resharper Resharper is a developer productivity extension for Microsoft Visual Studio created by JetBrains that provides code analysis, refactoring, and navigation tools for C#, VB.NET, and other .NET Framework languages. It augments the editing experience alongside tools such as Visual Studio Code, Rider, and IntelliJ IDEA by integrating inspections, quick-fixes, and generation features that complement extensions like StyleCop and FxCop. Widely adopted by teams using Azure DevOps, GitHub, and TeamCity, it competes with vendor offerings from Microsoft and third-party utilities from companies such as Redgate Software.

Overview

Originally introduced in 2004 by JetBrains, the product targets productivity for engineers working with C#, VB.NET, ASP.NET, and other .NET Framework ecosystems. It operates as an add-on to Microsoft Visual Studio releases including Visual Studio 2019 and Visual Studio 2022, and complements JetBrains' own IDEs such as Rider and IntelliJ IDEA. The tool is commonly evaluated alongside static analysis suites like SonarQube, refactoring frameworks such as Roslyn, and test runners including NUnit, xUnit.net, and MSTest.

Features

Resharper provides automated refactorings, code inspections, and context-aware code generation similar to features in IntelliJ IDEA and Eclipse. Its navigation and search capabilities interoperate with project systems such as MSBuild, NuGet, and Solution Explorer, and enhance workflows involving Git, SVN, and Mercurial. Code analysis rules map to patterns familiar from C# Coding Conventions, .editorconfig, and tools like StyleCop and FxCop. Language support extends to C#, VB.NET, ASP.NET, XAML, TypeScript, and integrations with frameworks like Entity Framework, ASP.NET MVC, and Windows Presentation Foundation. Inspection results feed into continuous integration pipelines built on Jenkins, Azure Pipelines, and TeamCity for preventative maintenance coordinated with GitHub Actions.

Architecture and Integration

Built to integrate tightly with Microsoft Visual Studio, the extension interfaces with the Visual Studio SDK and leverages compiler platforms including Roslyn for semantic analysis. Plugin and extension points mirror approaches seen in IntelliJ Platform and allow interoperability with systems like NuGet package management, MSBuild build targets, and Solution Explorer. The product's internal architecture separates parsing, analysis, and quick-fix engines and aligns with design patterns used by projects such as ReSharperCommandLineTools and static analyzers like Roslyn analyzers. Integration scenarios include debugging workflows with Visual Studio Debugger, code review processes in Gerrit or GitHub Pull Requests, and deployment pipelines on Azure and Amazon Web Services.

Editions and Licensing

Offered under proprietary commercial licensing by JetBrains, the product follows versioned releases and subscription models similar to other JetBrains products like IntelliJ IDEA Ultimate and PyCharm Professional. Licensing options accommodate individual developers, teams using Azure DevOps Server or Team Foundation Server, and enterprises coordinating with Active Directory and corporate license servers. Editions vary by feature set and support commitments comparable to enterprise offerings from Microsoft Visual Studio Enterprise and competing toolsets from Redgate Software and DevExpress.

Reception and Impact

The extension has influenced developer tooling expectations for C# and .NET Framework ecosystems and is frequently mentioned alongside IntelliJ IDEA and Visual Studio Code in surveys of developer preferences conducted by organizations such as Stack Overflow and JetBrains Research. It has been credited with improving code quality in teams adopting practices from Clean Code advocates and methodologies promoted at conferences like Microsoft Build, NDC Conferences, and GOTO Copenhagen. Critics compare its footprint and performance consequences against lightweight alternatives such as Roslyn analyzers and editor integrations like Visual Studio Code extensions.

Development History

The product's initial release in 2004 followed JetBrains' experience building IDEs like IntelliJ IDEA and responded to gaps in Visual Studio tooling for C# developers. Over successive versions it added language support, deeper Roslyn integration, and features inspired by JetBrains' own IDEs including the navigation model from IntelliJ IDEA and refactorings consistent with patterns documented in works by Martin Fowler. Major updates aligned with releases of Microsoft Visual Studio 2010, Visual Studio 2015, Visual Studio 2019, and Visual Studio 2022, while interoperability with continuous integration systems such as TeamCity and Jenkins expanded adoption in enterprise environments.

Category:Software