List of the Top 25 Static Code Analysis Software for JavaScript in 2025

All your Python development requirements are brought together in a single application. While PyCharm efficiently manages routine tasks, it enables you to save valuable time and focus on more important projects, allowing you to leverage its keyboard-focused interface to discover numerous productivity enhancements. This IDE is highly knowledgeable about your code and can be relied upon for features such as intelligent code completion, real-time error detection, and quick-fix recommendations, in addition to easy project navigation and other functionalities. With PyCharm, you can produce structured and maintainable code, as it helps uphold quality through PEP8 compliance checks, support for testing, advanced refactoring options, and a wide array of inspections. Designed by developers for developers, PyCharm provides all the essential tools needed for efficient Python development, enabling you to concentrate on what truly matters. Moreover, PyCharm's powerful navigation capabilities and automated refactoring tools significantly improve your coding experience, guaranteeing that you stay productive and efficient throughout your projects while consistently adhering to best practices.

Enhancing Security Measures in Your DevOps Workflow Streamline the process of identifying and addressing vulnerabilities within your code through automation. Kiuwan Code Security adheres to the most rigorous security protocols, such as OWASP and CWE, and seamlessly integrates with leading DevOps tools while supporting a variety of programming languages. Both static application security testing and source code analysis are viable and cost-effective solutions suitable for teams of any size. Kiuwan delivers a comprehensive suite of essential features that can be incorporated into your existing development environment. Rapidly uncover vulnerabilities with a straightforward setup that enables you to scan your system and receive insights in just minutes. Adopting a DevOps-centric approach to code security, you can incorporate Kiuwan into your CI/CD/DevOps pipeline to automate your security measures effectively. Offering a variety of flexible licensing options, Kiuwan caters to diverse needs, including one-time scans and ongoing monitoring, along with On-Premise or SaaS deployment models, ensuring that every team can find a solution that fits their requirements perfectly.

SonarQube Server functions as a self-managed platform for continuous code quality evaluation, empowering development teams to identify and resolve bugs, security vulnerabilities, and code deficiencies instantly. It offers automated static analysis for various programming languages, ensuring rigorous adherence to quality and security benchmarks throughout the software development lifecycle. Moreover, SonarQube Server seamlessly integrates with existing CI/CD processes, accommodating both on-premise and cloud-based installations. With its advanced reporting features, it aids teams in tackling technical debt, tracking progress, and upholding coding standards. This tool is especially beneficial for organizations that seek thorough oversight of their code quality and security while sustaining optimal performance. In addition, SonarQube promotes a culture of ongoing enhancement within development teams, motivating them to take proactive steps toward improving code reliability over time. Ultimately, the platform not only enhances code quality but also strengthens team collaboration and accountability in software development projects.

Snyk stands at the forefront of developer security, empowering developers globally to create secure applications while also providing security teams with the tools necessary to navigate the complexities of the digital landscape. By prioritizing a developer-centric approach, we enable organizations to safeguard every vital element of their applications, spanning from code to cloud, which results in enhanced productivity for developers, increased revenue, higher customer satisfaction, reduced costs, and a stronger security framework overall. Our platform is designed to seamlessly integrate into developers' workflows and fosters collaboration between security and development teams, ensuring that security is woven into the fabric of application development. Furthermore, Snyk's commitment to innovation continually evolves to meet the changing demands of the security landscape.

PlatformIO is a pioneering collaborative platform tailored for embedded development, enabling users to save time and resources by drastically reducing the costs and efforts associated with software development and upkeep. The embedded systems industry is in urgent need of a revolutionary solution, as numerous current IDEs and tools are based on obsolete technology from the 1990s, leading to complicated requirements and platform-specific setups that deter talented developers from entering the field of embedded engineering. As the top-rated IDE option for Microsoft Visual Studio Code, it provides a user-friendly and highly modular integrated development environment along with a robust array of professional development tools. These tools are specifically designed to improve both the efficiency and ease of creating and delivering embedded products. Moreover, PlatformIO is developed solely in pure Python, which guarantees its operation without reliance on any external libraries or system tools, thereby simplifying the development process and promoting a more effective workflow. Its dedication to modernizing the landscape of embedded development positions it as an indispensable resource for developers eager to push the boundaries of innovation in this area. By embracing the advantages of such a platform, developers can not only enhance their productivity but also contribute to the evolution of embedded engineering as a whole.

CodeScene offers advanced capabilities that extend well beyond conventional code analysis methods. It allows for the visualization and assessment of various elements that affect software delivery and quality, moving past a mere focus on the code itself. By leveraging CodeScene’s actionable insights and recommendations, users can make informed decisions driven by data. The platform empowers developers and technical leaders to: - Obtain a comprehensive view of their software system's evolution through a unified dashboard. - Recognize, prioritize, and address technical debt while considering the potential return on investment. - Foster a robust codebase utilizing robust CodeHealth™ Metrics, reducing rework and allocating more resources to innovation. - Easily integrate with Pull Requests and development environments to receive actionable code reviews and refactoring suggestions. - Establish improvement objectives and quality thresholds for teams, all while tracking their progress. - Enhance retrospectives by pinpointing areas that require development. - Evaluate performance against customized trends to ensure continuous improvement. - Grasp the social dynamics of the code by measuring socio-technical aspects such as key personnel dependencies, knowledge sharing, and collaboration between teams effectively. Overall, CodeScene not only improves code quality but also enhances team collaboration and project management.

Sourcetrail is an interactive application aimed at facilitating the navigation and understanding of existing source code by meticulously indexing it and gathering details regarding its architecture. This innovative tool features a user-centric interface that comprises three dynamic views, each critical for efficiently accessing pertinent information. The Search function allows users to quickly find and select indexed symbols within the codebase, with an autocompletion box that provides an immediate summary of all relevant findings across the entire project. The Graph view effectively showcases the structure of the source code, highlighting the currently selected symbol while also displaying its dependencies, both incoming and outgoing, with other related symbols. In addition, the Code view enumerates all source locations associated with the chosen symbol through various code snippets, enabling users to click on any item for a deeper investigation of the code. By offering such comprehensive tools and features, Sourcetrail not only simplifies the comprehension of intricate code structures but also empowers developers to enhance their coding practices and productivity. Ultimately, it serves as an invaluable resource for anyone looking to navigate complex software projects with ease.

Boost your efficiency by ensuring that only top-notch code is deployed, as SonarQube Cloud (formerly known as SonarCloud) effortlessly assesses branches and enhances pull requests with valuable insights. Detecting subtle bugs is crucial to preventing erratic behavior that could negatively impact users, while also addressing security vulnerabilities that pose a risk to your application, all while deepening your understanding of application security through the Security Hotspots feature. You can quickly start utilizing the platform directly from your coding environment, allowing you to take advantage of immediate access to the latest features and enhancements. Project dashboards deliver essential insights into code quality and release readiness, ensuring that both teams and stakeholders are well-informed. Displaying project badges highlights your dedication to excellence within your communities and serves as a testament to your commitment to quality. Recognizing that code quality and security are vital throughout your entire technology stack—covering both front-end and back-end development—we support an extensive selection of 24 programming languages, including Python, Java, C++, and more. As the call for transparency in coding practices increases, we encourage you to join this movement; it's entirely free for open-source projects, presenting a valuable opportunity for all developers! Additionally, by engaging with this initiative, you play a role in a broader community focused on elevating software quality and fostering collaboration among developers. Embrace this chance to enhance your skills while contributing to a collective mission of excellence.

The Snappy Tick Source Edition (SAST) is a robust tool created for analyzing source code to reveal vulnerabilities lurking within the codebase. It combines Static Code Analysis with Source Code Review capabilities, employing in-line auditing methods to effectively highlight the most pressing security concerns in applications while confirming that sufficient security protocols are implemented. Conversely, the Snappy Tick Standard Edition (DAST) operates as a dynamic application security solution that supports both black box and grey box testing methodologies. It scrutinizes requests and responses to identify potential weaknesses by probing various application components during their runtime. Featuring remarkable capabilities specifically designed for Snappy Tick, it can seamlessly scan a variety of programming languages. Furthermore, it generates exhaustive reports that clearly identify affected source files, detail line numbers, and point out specific code segments that need attention, enabling developers to promptly rectify vulnerabilities. This comprehensive strategy for security evaluation positions Snappy Tick as an indispensable resource for any development team looking to enhance their security posture. By integrating both static and dynamic assessments, Snappy Tick provides a well-rounded approach to safeguarding applications against threats.

Introducing a Visual Studio Extension specifically designed for .NET Developers, providing immediate evaluations of code quality across numerous languages such as C#, VB.NET, XAML, ASP.NET, ASP.NET MVC, JavaScript, TypeScript, CSS, HTML, and XML. This extension empowers developers to swiftly pinpoint areas that require enhancement in their code. ReSharper not only notifies you of potential coding problems but also offers a variety of quick-fix options for immediate resolution. In many cases, you can select the most appropriate quick-fix from a broad array of choices. Additionally, it comes equipped with automated, solution-wide refactorings that allow for confident modifications to your codebase. Whether your goal is to modernize legacy code or restructure your project, ReSharper remains a reliable asset. Its robust navigation features enable you to quickly search through your entire solution, allowing you to jump to any file, type, or member. You can also effortlessly transition from a specific symbol to its usages, as well as explore related base and derived symbols or implementations. This extensive functional flexibility guarantees that developers can enhance their productivity and effectiveness like never before, making it an indispensable tool in the coding landscape. Furthermore, with consistent updates and enhancements, ReSharper continues to evolve, ensuring that it meets the ever-changing needs of developers.

DeepSource simplifies the task of detecting and fixing code problems during reviews, addressing potential bugs, anti-patterns, performance issues, and security threats. Its integration with Bitbucket, GitHub, or GitLab is quick and easy, taking less than five minutes to set up, which adds to its convenience. It accommodates a variety of programming languages, including Python, Go, Ruby, and JavaScript, and extends its support to all major languages alongside Infrastructure-as-Code features, secret detection, and code coverage. This comprehensive support means DeepSource can be your go-to solution for safeguarding your code. By leveraging the most sophisticated static analysis platform, you ensure that bugs are caught before they reach production. With an extensive set of static analysis rules unmatched in the industry, your team will have a centralized hub for effectively monitoring and maintaining code quality. Additionally, DeepSource automates code formatting, helping to keep your CI pipeline free from style-related disruptions. It also offers the capability to automatically generate and apply fixes for identified problems with minimal effort, significantly boosting your team's productivity and efficiency. Moreover, by streamlining the code review process, DeepSource enhances collaboration among developers, leading to higher quality software outcomes.

Conventional analytics tend to capture only surface-level signals, but Merico goes deeper by focusing on code analysis to highlight what genuinely matters through thorough program evaluation. Assessing engineering performance is fraught with difficulties, and while a few companies make attempts in this area, most depend on unreliable and misleading metrics, missing out on crucial chances for acknowledgement, development, and progression. Historically, the tools used for analytics and evaluation have emphasized shallow metrics to evaluate quality and productivity, a method that developers widely acknowledge as insufficient. This realization inspired the development of Merico. By providing commit-level analysis, teams acquire vital insights directly from their codebase, ensuring that the data remains precise and free from the shortcomings associated with process measurement. This direct link to the code allows developers to enhance, prioritize, and advance their work with exactness. With Merico, teams can set clear shared objectives while effectively tracking their progress, productivity, and quality through actionable benchmarks, ultimately fostering a culture of continuous improvement and success. Moreover, Merico revolutionizes the way engineering teams gauge their performance, equipping them with essential tools to navigate the complexities of modern software development effectively. In doing so, it not only enhances individual performance but also cultivates a more collaborative and innovative engineering environment.

Gain prompt code evaluations from skilled engineers, enhanced by AI solutions. Every time you submit a pull request, you can effortlessly incorporate seasoned engineers into your process. Boost the speed of delivering high-quality, secure code through AI-assisted code evaluations. Regardless of whether your development team consists of 5 or 5,000 individuals, PullRequest will improve your code review framework and customize it to meet your specific needs. Our knowledgeable reviewers help detect security risks, reveal hidden bugs, and tackle performance issues before your code goes live. This entire operation is seamlessly integrated into your existing tools to ensure maximum productivity. Our experienced reviewers, supported by AI analytics, can effectively pinpoint critical security flaws. We utilize sophisticated static analysis that leverages both open-source tools and proprietary AI, offering reviewers deeper insights. Empower your senior staff to concentrate on high-level strategies while making significant progress in fixing issues and optimizing code, even as other team members continue their development work. This cutting-edge strategy enables your team to sustain productivity while guaranteeing top-notch code quality. As a result, the overall efficiency of your development process is significantly enhanced, leading to faster project turnaround times.

Qodana’s static code analysis enables development teams to maintain high-quality standards, ensuring their code is not only easy to read and maintain but also secure from vulnerabilities. Created by JetBrains, this tool has been honed over two decades, drawing on feedback from millions of users in the programming community. By incorporating insights from JetBrains IDEs, Qodana enhances its intelligence for use in continuous integration (CI) setups. Its analysis is both accurate and discreet, capable of understanding the complexities of your codebase with ease. Integration with widely used tools, including JetBrains IDEs, allows developers to engage seamlessly with Qodana’s insights in their preferred working environment. Beyond simply highlighting issues, Qodana actively suggests automated solutions aimed at improving overall code quality. To keep costs manageable, it bases license fees on the number of active contributors, thereby eliminating unforeseen expenses associated with project expansion, as it disregards the number of lines of code. Additionally, Qodana is offered free of charge for open-source projects, promoting innovation and teamwork within the developer ecosystem. This dedication to enhancing quality while maintaining accessibility makes Qodana an indispensable resource for any programming team, reinforcing the importance of sustainable coding practices.

GitHub Advanced Security enables developers and security experts to work together efficiently in tackling existing security issues and preventing new vulnerabilities from infiltrating code through a suite of features like AI-driven remediation, static analysis, secret scanning, and software composition analysis. By utilizing Copilot Autofix, vulnerabilities are detected through code scanning, which provides contextual insights and suggests fixes within pull requests as well as for previously flagged alerts, enhancing the team's capacity to manage their security liabilities. Furthermore, targeted security initiatives can implement autofixes for as many as 1,000 alerts at once, significantly reducing the risk of application vulnerabilities and zero-day exploits. The secret scanning capability, which includes push protection, secures over 200 different token types and patterns from a wide range of more than 150 service providers, effectively identifying elusive secrets such as passwords and personally identifiable information. Supported by a vast community of over 100 million developers and security professionals, GitHub Advanced Security equips teams with the automation and insights needed to deliver more secure software promptly, thereby promoting increased confidence in the applications they develop. This holistic strategy not only bolsters security but also enhances workflow efficiency, making it simpler for teams to identify and tackle potential threats, ultimately leading to a more robust security posture within their software development lifecycle.

Opengrep is an open-source tool designed for static code analysis, focusing on identifying security vulnerabilities in different codebases. As a derivative of Semgrep, it aims to provide quick and efficient searching for code patterns across more than 30 programming languages, including popular ones like Python, JavaScript, and Go. The platform enables developers to establish custom rules for detecting patterns, which helps in pinpointing potential security issues and promotes adherence to coding standards. By integrating Opengrep into their development workflows, teams can adopt a proactive approach to managing vulnerabilities, thereby enhancing the security and dependability of their software applications. Moreover, its intuitive interface and customizable options make it an attractive choice for developers looking to refine their coding practices further. In essence, Opengrep not only streamlines the detection of security flaws but also fosters a culture of quality and safety in software development.

Codacy serves as an automated tool for code reviews, utilizing static code analysis to pinpoint issues, which in turn enables engineering teams to conserve time and address technical debt effectively. By integrating effortlessly with existing workflows on various Git providers, as well as platforms like Slack and JIRA through Webhooks, Codacy ensures that teams receive timely notifications regarding security vulnerabilities, code coverage, duplicate code, and the complexity of code with each commit and pull request. Additionally, the tool offers advanced metrics that shed light on the overall health of projects, team performance, and other key indicators. With the Codacy Command Line Interface (CLI), teams can perform code analysis locally, allowing them to access results without having to navigate to their Git provider or the Codacy web application. Supporting over 30 programming languages, Codacy is available in both free and enterprise versions, whether in the cloud or self-hosted, making it a versatile solution for various development environments. For more information and to explore its features, visit https://www.codacy.com/. Furthermore, adopting Codacy can significantly streamline your development process and enhance collaboration among team members.

Experience unparalleled code analysis speed with scanning that is 40 times quicker, ensuring developers receive prompt results after their pull request submissions. Achieve the highest level of accuracy with Qwiet AI, which boasts the best OWASP benchmark score—surpassing the commercial average by over threefold and more than doubling the second best score available. Recognizing that 96% of developers feel that a lack of integration between security and development processes hampers their efficiency, adopting developer-focused AppSec workflows can reduce mean-time-to-remediation (MTTR) by a factor of five, thereby boosting both security measures and developer efficiency. Additionally, proactively detect unique vulnerabilities within your code before they make it to production, ensuring compliance with critical privacy and security standards such as SOC 2, PCI-DSS, GDPR, and CCPA. This comprehensive approach not only fortifies your code but also streamlines your development process, promoting a culture of security awareness and responsibility within your team.

Contemporary development teams are equipped to discover, rectify, and avert vulnerabilities across various domains, including source code, open-source libraries, secret management, and cloud configurations. They are also capable of detecting and addressing security weaknesses within their applications. The implementation of continuous security scanning accelerates the deployment of features while minimizing cycle durations. Our sophisticated system significantly reduces false positives, ensuring that you are only alerted to pertinent security concerns. Regularly scanning software across all product lines enhances overall security. GuardRails seamlessly integrates with popular Version Control Systems like GitLab and GitHub, streamlining security processes. It intelligently selects the most appropriate security engines based on the programming languages detected in a repository. Each security rule is meticulously designed to assess whether it presents a significant security threat, which effectively decreases unnecessary alerts. Additionally, a proactive system has been created to identify and minimize false positives, continuously evolving to enhance its accuracy. This commitment to precision not only fosters a more secure development environment but also boosts the confidence of the teams involved.

Klocwork is an advanced static code analysis and SAST tool tailored for programming languages such as C, C++, C#, Java, and JavaScript, adept at identifying issues related to software security, quality, and reliability, while ensuring compliance with various industry standards. Specifically designed for enterprise-level DevOps and DevSecOps settings, Klocwork can effortlessly scale to meet the demands of projects of any size, integrating smoothly with complex systems and a wide range of developer tools, thus promoting control, teamwork, and detailed reporting across the organization. This functionality has positioned Klocwork as a premier solution for static analysis, enabling rapid development cycles without compromising on adherence to security and quality benchmarks. By implementing Klocwork’s static application security testing (SAST) within their DevOps workflows, users can proactively discover and address security vulnerabilities early in the software development process, thereby remaining consistent with internationally recognized security standards. Additionally, Klocwork’s compatibility with CI/CD tools, cloud platforms, containers, and machine provisioning streamlines the automation of security testing, making it both accessible and efficient for development teams. Consequently, organizations can significantly improve their overall software development lifecycle, while minimizing the risks linked to potential security vulnerabilities and enhancing their reputation in the marketplace. Embracing Klocwork not only fosters a culture of security and quality but also empowers teams to innovate more freely and effectively.

Effortlessly accessible and requiring no installation, you can simply download SonarQube for IDE (formerly known as SonarLint) from your favorite IDE marketplace and continue coding while it takes care of everything else. In contrast to traditional linting tools that often bring added complexity, like specific utilities for various programming languages or elaborate setup requirements, SonarQube for IDE provides a cohesive solution to manage your Code Quality and Code Security issues. It features an extensive selection of language-specific rules aimed at identifying Bugs, Code Smells, and Security Vulnerabilities in real time as you code. From spotting hazardous regex patterns to validating adherence to coding guidelines, SonarQube for IDE serves as a dependable ally in your mission for impeccable code. This innovative tool keeps any mistakes within your line of sight, allowing you to understand, promptly rectify, and learn from them efficiently, which ultimately contributes to your growth as a developer over time. By integrating SonarQube for IDE into your workflow, you not only uphold the integrity of your code but also encourage ongoing enhancements in your software development practice. Consequently, it establishes a supportive environment for continuous learning and improvement within your coding journey.

Sider Scan is a remarkably effective tool created for software developers to quickly identify and keep track of code duplication issues. It works effortlessly with various platforms like GitLab CI/CD, GitHub Actions, Jenkins, and CircleCI®, and can be installed through a Docker image for convenience. This tool allows team members to easily share the results of their analyses and performs continuous, swift assessments that run in the background without disruption. Users are also provided with dedicated support via both email and phone, enhancing their overall experience with the tool. By delivering thorough analyses of duplicate code, Sider Scan plays a significant role in improving the long-term quality and maintenance of codebases. It is specifically designed to complement other analysis tools, allowing development teams to produce cleaner code while facilitating a seamless continuous delivery process. The tool detects duplicate code fragments within a project and categorizes them into related groups. For each duplicate pair, a diff library is created, and pattern analyses are initiated to identify any underlying issues, a method referred to as the 'pattern' analysis technique. Additionally, to ensure effective time-series analysis, it is essential for scans to be conducted at consistent intervals, which aids in ongoing monitoring. By promoting regular assessments, Sider Scan empowers development teams to uphold high coding standards while proactively tackling duplication challenges, ultimately fostering a culture of code excellence. This consistent effort not only streamlines development processes but also encourages collaboration among team members to achieve common goals.

Coverity Static Analysis acts as a comprehensive tool for scanning code, aiding developers and security teams in creating high-quality software that aligns with security, functional safety, and various industry benchmarks. It adeptly identifies complex issues within extensive codebases, effectively highlighting and resolving quality and security vulnerabilities that may occur across different files and libraries. By ensuring compliance with multiple standards such as OWASP Top 10, CWE Top 25, MISRA, and CERT C/C++/Java, Coverity provides detailed reports that facilitate the tracking and prioritization of potential issues. Utilizing the Code Sight™ IDE plugin allows developers to receive instant feedback, including guidance on CWE and remediation strategies, which is seamlessly integrated into their development environments. This integration not only promotes security practices throughout the software development lifecycle but also helps maintain high levels of developer productivity. Furthermore, the use of this tool significantly enhances code reliability and cultivates a proactive approach to software security enhancement among teams.

Begin utilizing codebeat to effortlessly track every quality alteration in your GitHub, Bitbucket, GitLab, or self-hosted repositories. With codebeat, you gain the advantage of automated code assessments that support a diverse array of programming languages. This tool not only aids in prioritizing issues but also helps you identify quick wins for your web and mobile applications. Furthermore, codebeat offers a robust team management system designed for both organizations and open-source contributors. You can assign different access levels and quickly reassign team members across projects, making it a perfect fit for teams of any size, whether they are small startups or larger enterprises. By incorporating codebeat into your workflow, you can significantly improve collaboration and optimize your development processes, ultimately leading to better software quality. Embracing this tool can also foster a culture of continuous improvement within your team.

You can easily spot cross-code dependencies and move seamlessly between different files and directories. This tool enhances your comprehension of the codebase and aids in planning, reviewing, and onboarding processes. It features software architecture diagrams that automatically synchronize with the codebase, allowing you to visualize how files and folders interrelate and how a modification integrates into the broader architecture. CodeSee Maps are generated automatically upon merging code changes, eliminating the need for manual refreshes of your Map. This enables you to quickly identify the most active segments within the codebase. Additionally, you can access detailed information about each file and folder, including their age and line count. Furthermore, Tour Alerts assist you in keeping your Tours current by enabling the creation of visual walkthroughs of your code, enhancing your overall understanding and navigation capabilities. By utilizing these features, you can significantly improve your workflow and collaboration within your team.