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jSparrow vs Roslynator

Both stand on code refactoring tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

jSparrow

Free plan LinuxMacWindows

Choose jSparrow for Java project cleanup when Eclipse-based refactorings, reviewable diffs, or offline code processing matter. The free offering includes Markers and 20 rules; saving locked refactorings requires license validation, and Maven or GitHub versions require contacting the company.

Visit jSparrow

Roslynator

Free plan ExtensionLinuxMac+1

Roslynator offers IDE, command-line, and testing tools for code analysis and refactoring, with analyzers distributed separately. Check the editor requirements and supported security versions before choosing an extension.

Visit Roslynator

The facts

jSparrowRoslynator
Free planYesYes
Open sourceNot publishedNot published
Runs onLinux, Mac, WindowsExtension, Linux, Mac, Windows
Lowest paid plan1-Year License: $1,325 a yearFree or on request
Plans published21
MakerNot publishedNot published
Websitejsparrow.iogithub.com
On code refactoring tools#7 of 22#11 of 22

jSparrow: what it does well

  • More than 90 refactorings cover Java 1.1 and later.
  • Diff View lets developers inspect changes before applying them.
  • Free Markers suggest quick fixes during programming.
  • Analysis and refactoring run offline.
  • Maven plugin supports command-line automatic refactoring without an IDE.

What to know first

  • Only 20 refactoring rules are available free.
  • Maven and GitHub versions require contacting the company.
  • The logging rule requires a configured environment such as log4j or slf4j.

Roslynator: what it does well

  • Free and open source under Apache License 2.0
  • IDE refactorings and compiler-diagnostic fixes
  • CLI integrates with MegaLinter for CI
  • EditorConfig can configure analyzers and fixes

What to know first

  • Analyzers are separate NuGet packages
  • VS Code requires legacy OmniSharp
  • VS Code extension does not work with C# Dev Kit
  • Visual Studio 2022 extensions are out of security support

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