Kotlin

The Best Kotlin Static Analysis Tools (Linters/Formatters)

We rank 31 Kotlin linters, code analyzers, formatters, and more. Find and compare tools like Mega-Linter, SonarQube, Sonatype, and more. Please rate and review tools that you've used. This helps others find the best tools for their projects.

4 Kotlin Tools

diktat

Strict coding standard for Kotlin and a linter that detects and auto-fixes code smells.

  • MaintainedMaintained
  • MaintainedKotlin
  • Maintainedcli
  • MaintainedlinterMaintainedformatter
  • 90% upvoted

detekt

Static code analysis for Kotlin code.

  • MaintainedMaintained
  • MaintainedKotlin
  • Maintainedcli
  • Maintainedlinter
  • 100% upvoted

ktlint

An anti-bikeshedding Kotlin linter with built-in formatter.

  • MaintainedMaintained
  • MaintainedKotlin
  • Maintainedcli
  • MaintainedlinterMaintainedformatter
  • 100% upvoted

ktfmt

A program that reformats Kotlin source code to comply with the common community standard for Kotlin code conventions. A ktfmt IntelliJ plugin is available from the plugin repository. To install it, go to your IDE's settings and select the Plugins category. Click the Marketplace tab, search for the ktfmt plugin, and click the Install button.

  • MaintainedMaintained
  • MaintainedKotlin
  • MaintainedcliMaintainedide-plugin
  • Maintainedformatter
  • 0% upvoted

27 Multi-Language Tools

Mega-Linter

Mega-Linter can handle any type of project thanks to its 70+ embedded Linters, its advanced reporting, runnable on any CI system or locally, with assisted installation and configuration, able to apply formatting and fixes

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedcli
  • Maintainedlinter
  • 69% upvoted

SonarQube

SonarQube empowers development teams with a code quality and security solution that deeply integrates into your enterprise environment; enabling you to deploy clean code consistently and reliably. SonarQube provides a free and open source Community Edition.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 70% upvoted

Sonatype

Reports known vulnerabilities in common dependencies and recommends updated packages to minimize breaking changes

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 77% upvoted

CodeScene

Sponsor

CodeScene is a quality visualization tool for software. Prioritize technical debt, detect delivery risks, and measure organizational aspects. Fully automated.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 66% upvoted

SAST Online

Check the Android Source code thoroughly to uncover and address potential security concerns and vulnerabilities. Static application security testing (Static Code Analysis) tool Online

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 93% upvoted

Better Code Hub

Better Code Hub checks your GitHub codebase against 10 engineering guidelines devised by the authority in software quality, Software Improvement Group.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 77% upvoted

callGraph

Statically generates a call graph image and displays it on screen.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedcli
  • Maintainedlinter
  • 84% upvoted

Codacy

Code Analysis to ship Better Code, Faster.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 71% upvoted

ArchUnit

Unit test your Java or Kotlin architecture.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedcli
  • Maintainedlinter
  • 100% upvoted

Android Studio

Based on IntelliJ IDEA, and comes bundled with tools for Android including Android Lint.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedide-plugin
  • Maintainedlinter
  • 100% upvoted

Codiga

Automated Code Reviews and Technical Debt management platform that supports 12+ languages.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 80% upvoted

Find Security Bugs

The SpotBugs plugin for security audits of Java web applications and Android applications. (Also work with Kotlin, Groovy and Scala projects)

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedcli
  • Maintainedlinter
  • 71% upvoted

Kiuwan

Identify and remediate cyber threats in a blazingly fast, collaborative environment, with seamless integration in your SDLC. Python, C\C++, Java, C#, PHP and more.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 67% upvoted

TencentCodeAnalysis

Tencent Cloud Code Analysis (TCA for short, code-named CodeDog inside the company early) is a comprehensive platform for code analysis and issue tracking. TCA consist of three components, server, web and client. It integrates of a number of self-developed tools, and also supports dynamic integration of code analysis tools in various programming languages.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • MaintainedcliMaintainedservice
  • Maintainedlinter
  • 100% upvoted

Betterscan

Betterscan.io - Betterscan.io checks your code and infra (various Git repositories supported, cloud stacks, CLI, Web Interface platform, integrationss available) for security and quality issues. Code Scanning/SAST/Linting using many tools/Scanners deduplicated with One Report (AI optional). Free to use in noncommerical way, commercial requires license.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 100% upvoted

Hopper

A static analysis tool written in scala for languages that run on JVM.

  • DeprecatedDeprecated
  • DeprecatedMulti-Language
  • Deprecatedcli
  • Deprecatedlinter
  • 100% upvoted

SonarCloud

SonarCloud enables your team to deliver clean code consistently and efficiently with a code review tool that easily integrates into the cloud DevOps platforms and extend your CI/CD workflow. SonarCloud is free for open source projects.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 56% upvoted

Upsource

Code review tool with static code analysis and code-aware navigation for Java, PHP, JavaScript and Kotlin.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 100% upvoted

ClassGraph

A classpath and module path scanner for querying or visualizing class metadata or class relatedness.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedcli
  • Maintainedlinter
  • 0% upvoted

CodeFactor

Automated Code Analysis for repos on GitHub or BitBucket.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 50% upvoted

OpenRewrite

OpenRewrite fixes common static analysis issues reported through Sonar and other tools using a Maven and Gradle plugin or the Moderne CLI.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedcli
  • MaintainedlinterMaintainedformatter
  • 0% upvoted

Sigrid

Sigrid helps you to improve your software by measuring your system's code quality, and then compares the results against a benchmark of thousands of industry systems to give you concrete advice on areas where you can improve.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • MaintainedcliMaintainedservice
  • Maintainedlinter
  • 50% upvoted

StaticReviewer

Static Reviewer executes code checks according to the most relevant Secure Coding Standards, OWASP, CWE, CVE, CVSS, MISRA, CERT, for 40+ programming languages, using 1000+ built-in validation rules for Security, Deadcode & Best Practices Available a module for Software Composition Analysis (SCA) to find vulnerabilities in open source and third party libraries.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedcli
  • Maintainedlinter
  • 50% upvoted

SonarLint

SonarLint is a free IDE extension available for IntelliJ, VS Code, Visual Studio, and Eclipse, to find and fix coding issues in real-time, flagging issues as you code, just like a spell-checker. More than a linter, it also delivers rich contextual guidance to help developers understand why there is an issue, assess the risk, and educate them on how to fix it.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedcli
  • Maintainedlinter
  • 0% upvoted

emerge

Emerge is a source code and dependency visualizer that can be used to gather insights about source code structure, metrics, dependencies and complexity of software projects. After scanning the source code of a project it provides you an interactive web interface to explore and analyze your project by using graph structures.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • MaintainedcliMaintainedservice
  • Maintainedlinter
  • 0% upvoted

ShiftLeft Scan

Scan is a free open-source DevSecOps platform for detecting security issues in source code and dependencies. It supports a broad range of languages and CI/CD pipelines.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • MaintainedcliMaintainedservice
  • Maintainedlinter
  • 40% upvoted

Embold

Intelligent software analytics platform that identifies design issues, code issues, duplication and metrics. Supports Java, C, C++, C#, JavaScript, TypeScript, Python, Go, Kotlin and more.

  • MaintainedMaintained
  • MaintainedMulti-Language
  • Maintainedservice
  • Maintainedlinter
  • 0% upvoted

Frequently Asked Questions

What are Kotlin tools?

Kotlin is a statically typed programming language that runs on the Java virtual machine and also can be compiled to JavaScript. Kotlin was created by JetBrains, a company best known for creating the IntelliJ IDEA integrated development environment (IDE). Kotlin is designed to interoperate with Java code and libraries, but also can be used for standalone applications.

What are the best Kotlin static analysis tools and linters?

The most popular Kotlin tools ranked by user votes are: Mega-Linter, SonarQube, Sonatype, CodeScene, diktat.

Which Kotlin tools are free to use?

Tools with a free plan include SAST Online, Better Code Hub, Codiga, Embold. On top of that, there are also a number of open source like Mega-Linter, SonarQube, Sonatype, diktat, SAST Online, callGraph, detekt, ArchUnit, ktlint, Android Studio.

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