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Pluggable type-checking for Java. This is not just a bug-finder, but a verification tool that gives a guarantee of correctness. It comes with 27 pre-built type systems, and it enables users to define their own type system; the manual lists over 30 user-contributed type systems.

Checking Java source code for adherence to a Code Standard or set of validation rules (best practices).

Calculates Chidamber and Kemerer object-oriented metrics by processing the source Java files.

Checks Java source and byte code for incorrect uses of cryptographic APIs.

An industrial-strength dataflow framework for Java. The Dataflow Framework is used in the Checker Framework, Google’s Error Prone, Uber’s NullAway, Meta’s Nullsafe, and in other contexts. It is distributed with the Checker Framework.

DesigniteJava supports detection of various architecture, design, and implementation smells along with computation of various code quality metrics.

Doop is a declarative framework for static analysis of Java/Android programs, centered on pointer analysis algorithms. Doop provides a large variety of analyses and also the surrounding scaffolding to run an analysis end-to-end (fact generation, processing, statistics, etc.).

ENRE (ENtity Relationship Extractor) is a tool for extraction of code entity dependencies or relationships from source code. ENRE-java is a ENtity Relationship Extractor for Java projects based on @Eclipse JDT/parser.

Catch common Java mistakes as compile-time errors.

A plugin for FindBugs with additional bug detectors.

Detects and forbids invocations of specific method/class/field (like reading from a text stream without a charset). Maven/Gradle/Ant compatible.

Bytecode static analyzer tool based on Procyon Compiler Tools aimed to supersede FindBugs.

Measure, query and visualize your code and avoid unexpected issues, technical debt and complexity.

Bounded model-checker for Java (bytecode), verifies user-defined assertions, standard assertions, several coverage metric analyses.

Our security focused static analysis tool for Android and Java applications. Mariana Trench analyzes Dalvik bytecode and is built to run fast on large codebases (10s of millions of lines of code). It can find vulnerabilities as code changes, before it ever lands in your repository.

Type-based null-pointer checker with low build-time overhead; an Error Prone plugin.

Checks dependencies for known, publicly disclosed, vulnerabilities.

Combines a few (pre-configured) static analysis tools (checkstyle, PMD, Findbugs, ...).

Identifies and prioritizes God Classes and Highly Coupled classes in Java codebases you should refactor first.

A framework for analyzing and transforming Java and Android applications.

SpotBugs is FindBugs' successor. A tool for static analysis to look for bugs in Java code.

Analyses your Java applications for open-source dependencies with known vulnerabilities, using both static analysis and testing to determine code context and usage for greater accuracy.

Java library for parsing report files from static code analysis. Used by a bunch of Jenkins, Maven and Gradle plugins.

An extensible software model checking framework for Java bytecode programs.

Jtest is an automated Java software testing and static analysis product that is made by Parasoft. The product includes technology for Data-flow analysis Unit test-case generation and execution, static analysis, regression testing, code coverage, and runtime error detection.

Static analysis for C/C++/C#, PHP and Java.

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

Unit test your Java or Kotlin architecture.

ast-grep is a powerful tool designed for managing code at scale using Abstract Syntax Trees (AST). Think of it as a hybrid of grep, eslint, and codemod, with the ability to search, lint, and rewrite code based on its structure rather than plain text. It supports multiple languages and is designed to be extensible, allowing you to register custom languages.

Tracks down error-prone code locations, style violations, cloned or dead code, cyclic dependencies and more for C/C++, C#/.NET, Java and Ada 83/Ada 95.

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.

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).

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

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

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

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

Codemodder is a pluggable framework for building expressive codemods. Use Codemodder when you need more than a linter or code formatting tool. Use it to fix non-trivial security issues and other code quality problems.

Advanced, whole program, deep path, static analysis of C, C++, Java and C# with easy-to-understand explanations and code and path visualization.

Corgea is an AI-powered SAST scanner that helps developers find and fix insecure code. It finds business logic flaws, broken authentication, API vulnerabilities, and more with little false positives. Additionally, it automatically writes security fixes for them to approve. Corgea integrates with GitHub, GitLab, Azure DevOps, IDEs and CLI. It is free to try it.

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.

Analyses the comprehensive dependencies of code elements for Java, C/C++, Ruby.

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

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.

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

Regexp based customizable linter.

Grep rough audit - source code auditing tool.

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

A static analyzer for Java, C and Objective-C

Keploy is an open-source testing platform that helps developers automate and streamline their testing process. It provides API, and integration testing agents, generating tests, mocks/stubs for APIs that actually work. Additionally, Keploy offers an AI-powered Unit Testing Agent that generates stable, useful unit tests directly in your GitHub PRs and in VSCode, helping catch errors and improve code quality.

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.

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

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.

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

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

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

A framework for managing and maintaining multi-language pre-commit hooks.

Precaution is a static analysis security tool (SAST) designed to find potentially critical vulnerabilities in source code prior to production. It is available as a CLI, GitHub Action, and GitHub App.

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.

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

A static source code analyser for vulnerabilities in PHP scripts.

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.

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.

Static program analysis platform that allows custom analyzers to plug in through a common interface.

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.

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.

Suite of static analysis tools consisting of the three components Sotoarc (Architecture Analysis), Sotograph (Quality Analysis), and Sotoreport (Quality report). Helps find differences between architecture and implementation, interface violations (e.g. external access of private parts of subsystems, detection of all classes, files, packages and subsystems which are strongly coupled by cyclical relationships and more. The Sotograph product family runs on Windows and Linux.

Static Code Analysis for C/C++, Java, C#, Python, and RPG III and RPG IV versions (including free-form).

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.

Static code analysis tool for Java,C,C++,C#,Go.

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).

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.

Linter for integrating annotated TODOs with your issue trackers

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.

Language-independent tool for massive, automatic, programmable refactoring based on simple pattern definitions.

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

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

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

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

Code Pulse is a free real-time code coverage tool for penetration testing activities by OWASP and Code Dx (GitHub).