ECMAScript parsing infrastructure for multipurpose analysis.

A static security code scanner for Node.js applications powered by libsast and semgrep that builds on the njsscan cli tool. It features a UI with various dashboards about an application's security status.

A (WIP) JavaScript linter written in Rust designed to be as fast as possible, customizable, and easy to use.

A compiler tool to increase efficiency, reduce size, and provide code warnings in JavaScript files.

Visualize JavaScript (ES6) source complexity.

A static type checker for JavaScript.

An npm module that checks for Javascript Styleguide issues.

Lint, analyze, normalize, transform, sandbox, run, step through, and visualize user JavaScript, in node or the browser.

Ensures that all of your project's JavaScript code follows the guidelines in the Google JavaScript Style Guide. It can also automatically fix many common errors.

Software complexity analysis for JavaScript projects.

An analyzer for JavaScript which targets runtime errors and quality issues rather than coding conventions.

Software complexity analysis of JavaScript-family abstract syntax trees.

A static type checker for JavaScript with a bias on type inference and strong type systems.

Detect errors and potential problems in JavaScript code and enforce your team's coding conventions.

The JavaScript Code Quality Tool.

Static security analysis tool.

A static analysis framework for Web Components.

Scanner detecting the use of JavaScript libraries with known vulnerabilities.

A JavaScript code analyzer for deep, cross-editor language support.

With TypL, you just write completely standard JS, and the tool figures out your types via powerful inferencing.

Opinionated but configurable ESLint wrapper with lots of goodies included. Enforces strict and readable code.

Javascript code metrics.

Jalangi2 is a popular framework for writing dynamic analyses for JavaScript.

Visualize JavaScript source complexity.

A dynamic code analysis tool for JavaScript. Iroh allows to record your code flow in realtime, intercept runtime informations and manipulate program behaviour on the fly.

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

A fast, open-source, static analysis tool for finding bugs and enforcing code standards at editor, commit, and CI time. Its rules look like the code you already write; no abstract syntax trees or regex wrestling. Supports 17+ languages.

An extensible linter for JS, following the ECMAScript standard.

Open-Source static code analysis tool to discover, filter and prioritize security risks and vulnerabilities leading to sensitive data exposures (PII, PHI, PD). Highly configurable and easily extensible, built for security and engineering teams.

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

An opinionated code formatter.

Vulnerability Scanner and Risk Evaluation for containers, serverless and hosts at runtime. ThreatMapper generates runtime BOMs from dependencies and operating system packages, matches against multiple threat feeds, scans for unprotected secrets, and scores issues based on severity and risk-of-exploit.

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.

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

Modern repositories include many technologies, each with its own set of linters. With 30+ linters and counting, Trunk makes it dead-simple to identify, install, configure, and run the right linters, static analyzers, and formatters for all your repos.

In-depth static analysis to find issues in verticals of bug risks, security, anti-patterns, performance, documentation and style. Native integrations with GitHub, GitLab and Bitbucket. Less than 5% false positives.

Synopsys Coverity supports 20 languages and over 70 frameworks including Ruby on rails, Scala, PHP, Python, JavaScript, TypeScript, Java, Fortran, C, C++, C#, VB.NET.

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

Multi-language Static Application Security Testing (SAST) platform that detects critical vulnerabilities, including hardcoded secrets, weak cryptography, backdoors, SQL injections, insecure configurations, etc.

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

A source code analyzer for Java, Salesforce Apex, Javascript, PLSQL, XML, XSL and others.

DeepCode was acquired by Snyk is now Snyk Code.

Extends Visual Studio with on-the-fly code inspections for C#, VB.NET, ASP.NET, JavaScript, TypeScript and other technologies.

Deep code analysis - semantic queries and dataflow for several languages with VSCode plugin support.

Automated Software Testing Solutions for unit-, API-, and web UI testing. Complies with MISRA, OWASP, and others.

A Simple and Comprehensive Vulnerability Scanner for Containers and other Artifacts, Suitable for CI. Trivy detects vulnerabilities of OS packages (Alpine, RHEL, CentOS, etc.) and application dependencies (Bundler, Composer, npm, yarn, etc.). Checks containers and filesystems.

Automated code review tool integrates with GitHub, Bitbucket and GitLab (even self-hosted). Available for JavaScript, TypeScript, Python, Ruby, Go, PHP, Java, Docker, and more. (open-source free)

Commercial Static Code Analysis system doesn't require building the source code or pre-compilation.

A toolchain for web projects, aimed to provide functionalities to maintain them. Biome formats and lints code in a fraction of a second. It is the successor to Rome. It is designed to eventually replace Biome is designed to eventually replace Babel, ESLint, webpack, Prettier, Jest, and others.

Code Analysis to ship Better Code, Faster.

Commercial Static Code Analysis which doesn't require pre-compilation.

Codety Scanner is a comprehensive source code scanner that embeds 5000+ static code analysis rules, which aim to detect code issues for 20+ programming languages and IaC tools.

The Oxidation Compiler is creating a suite of high-performance tools for the JavaScript / TypeScript language re-written in Rust.

Pluggable and configurable code transformer with built-in eslint, babel plugins support for js, jsx typescript, flow, markdown, yaml and json.

Asynchronous Lint Engine for Vim and NeoVim with support for many languages.

Commercial Static Code Analysis which generates exploits to verify vulnerabilities.

Ecosystem for structural matching JavaScript and TypeScript code. Offers search tool that understands code structure. Available as CLI tool and Visual Studio Code extension. It helps to search code faster and more accurately making you workflow more effective. Soon it will offer ESLint plugin to create your own rules in minutes to help with assuring codebase quality.

Check your code quality for js, jsx, vue, css, less, scss, sass and styl files.

Comments on style violations in GitHub pull requests. Supports Coffeescript, Go, HAML, JavaScript, Ruby, SCSS and Swift.

Comment on commits coming into your repository and check for syntactic errors and general lint warnings.

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

Beautify HTML, CSS, JavaScript, PHP, Python, Ruby, Java, C, C++, C#, Objective-C, CoffeeScript, TypeScript, Coldfusion, SQL, and more in Atom editor.

Language independent framework for creating code analysis - supports over 60 languages by default.

Automated SAST code reviews driven by security, supports 15+ languages and includes security training.

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

A JavaScript compiler and TypeScript checker written in Rust with a focus on static analysis and runtime performance. Ezno's type checker is built from scratch. The checker is fully compatible with TypeScript type annotations and can work without any type annotations at all.

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.

Lizard is an extensible Cyclomatic Complexity Analyzer for many programming languages including C/C++ (doesn't require all the header files or Java imports). It also does copy-paste detection (code clone detection/code duplicate detection) and many other forms of static code analysis. Counts lines of code without comments, CCN (cyclomatic complexity number), token count of functions, parameter count of functions.

Mobb is a trusted, automatic vulnerability fixer that secures applications, reduces security backlogs, and frees developers to focus on innovation. Mobb is free for open-source projects.

Code audit tool for Python and JavaScript. Wraps pycodestyle, pydocstyle, PyFlakes, Mccabe, Pylint, and more

Validate and auto-generate TypeScript types from raw SQL queries in PostgreSQL. SafeQL is an ESLint plugin for writing SQL queries in a type-safe way.

A proprietary code quality checker that can be integrated with GitHub.

Snyk Code finds security vulnerabilities based on AI. Its speed of analysis allow us to analyse your code in real time and deliver results when you hit the save button in your IDE. Supported languages are Java, JavaScript, Python, PHP, C#, Go and TypeScript. Integrations with GitHub, BitBucket and Gitlab. It is free to try and part of the Snyk platform also covering SCA, containers and IaC.

SonarQube Cloud 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. SonarQube Cloud provides a free plan.

SonarQube for IDE (formerly 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.

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 Build.

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.

Universal code beautifier with a GitHub app. Supports HTML, CSS, JavaScript, TypeScript, JSX, Vue, C++, Go, Objective-C, Java, Python, PHP, GraphQL, Markdown, and more.

Static analysis capabilities for Java bytecode and related languages and for JavaScript.

Pluggable TypeScript and JavaScript linter.

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).

CodeSee is mapping and automating your app's services, directories, file dependencies, and code changes. It's like Google Map, but for code.t

Facebook's tools for code analysis, visualizations, or style-preserving source transformation for many languages.

A static file linter that allows you to write custom rules using regular expressions (RegEx).

A commercial static analysis platform that allows for scanning of multiple languages (C/C++, Android, C#, Java, JS, PHP, Python, Node.JS, Ruby, Fortran, and Swift).

Linter for integrating annotated TODOs with your issue trackers

WhiteHat Scout (for Developers) combined with WhiteHat Sentinel Source (for Operations) supporting WhiteHat Top 40 and OWASP Top 10.

Creates reports of over 400 rule patterns for feature detection (e.g. the use of cryptography or version control in apps).

Provides a unified interface to sort and act on the issues it finds.

Automated Code Analysis for repos on GitHub or BitBucket.

Automated code analysis tool to deal with technical depth. Integrates with Bitbucket and Gitlab. (free for Open Source Projects)

OpenStaticAnalyzer is a source code analyzer tool, which can perform deep static analysis of the source code of complex systems.

Identify vulnerabilities that are unique to your code base before they reach production. Leverages the Code Property Graph (CPG) to run its analyses concurrently in a single graph of graphs. Automatically finds business logic flaws in dev like hardcoded secrets and logic bombs

Quickly find and remediate high-priority security issues. Semgrep Supply Chain prioritizes the 2% of vulnerabilities that are reachable from your code.

Find flaws in binaries and bytecode without requiring source. Support all major programming languages: Java, .NET, JavaScript, Swift, Objective-C, C, C++ and more.

A linter and formatter to help you to improve copywriting, correct spaces, words, punctuations between CJK (Chinese, Japanese, Korean).

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.

Quick automated code review of your changes. Supports more than 40 runners for various languages, including Clang, Elixir, JavaScript, PHP, Ruby and more.

An engine for searching patterns in the source code, based on Unified AST or UST. At present time C#, Java, PHP, PL/SQL, T-SQL, and JavaScript are supported. Patterns can be described within the code or using a DSL.

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.

A commercial static analysis platform that supports the scanning of C/C++, C#, VB.NET, VB6, ABAP/BSP, ActionScript, Apex, ASP.NET, Classic ASP, VB Script, Cobol, ColdFusion, HTML, Java, JS, JSP, MXML/Flex, Objective-C, PHP, PL/SQL, T-SQL, Python (2.6, 2.7), Ruby (1.9.3), Swift, Scala, VB, and XML.

Commercial Static Code Analysis.

Find security vulnerabilities, variants, and critical code quality issues using CodeQL queries over source code. Automatic PR code review; free for open source. Formerly semmle. It supports public Git repositories hosted on Bitbucket Cloud, GitHub.com, GitLab.com.

Commercial Static Code Analysis which runs locally, but uploads the results to its cloud for presentation.

Combination of multiple linters to install as a GitHub Action.

Code visualization tool that provides code analysis, standards testing, metrics, graphing, dependency analysis and more for Ada, VHDL, and others.

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.