List of the Top 17 Free Static Application Security Testing (SAST) Software in 2025

Fortify your technology with Aikido's comprehensive code-to-cloud security solution. Quickly and automatically identify and resolve vulnerabilities. Aikido thoroughly examines your code for potential security threats, including SQL injection, cross-site scripting (XSS), buffer overflows, and various other risks. It cross-references against well-known CVE databases, ensuring robust protection. The platform is ready for immediate use and accommodates all major programming languages. Aikido integrates a wide array of scanning features such as Static Application Security Testing (SAST), Infrastructure as Code (IaC) assessments, Dynamic Application Security Testing (DAST), container vulnerability scanning, Software Composition Analysis (SCA), Cloud Security Posture Management (CSPM), and secret detection, all consolidated into a single platform.

GitGuardian is a worldwide cybersecurity company dedicated to providing code security solutions tailored for the DevOps era. As a frontrunner in the realm of secrets detection and remediation, their products are employed by hundreds of thousands of developers across various sectors. GitGuardian empowers developers, cloud operations teams, and security and compliance experts to protect software development, ensuring consistent and global policy enforcement across all systems. Their solutions continuously monitor both public and private repositories in real-time, identifying secrets and issuing alerts to facilitate swift investigation and remediation efforts. Additionally, the platform streamlines the process of maintaining security protocols, making it easier for teams to manage their codebases effectively.

GitHub remains the foremost platform for developers around the world, celebrated for its robust security, impressive scalability, and strong community engagement. By becoming part of the vast network of millions of developers and organizations, you can play a role in creating the software that propels society forward. Engage and collaborate with some of the most innovative communities while taking advantage of our exceptional tools, support, and services. If you are managing multiple contributors, consider utilizing our complimentary GitHub Team for Open Source feature. Furthermore, GitHub Sponsors is designed to help finance your initiatives and projects effectively. We are excited to bring back The Pack, a program that offers students and educators free access to top-notch developer tools throughout the academic year and beyond. In addition, if you are affiliated with a recognized nonprofit, association, or a 501(c)(3) organization, we provide a discounted Organization account to help further your mission. Through these initiatives, GitHub continues to empower a diverse range of users in their software development endeavors, fostering a more inclusive tech community. With ongoing support and resources, GitHub is dedicated to enhancing the development experience for everyone involved.

GitLab serves as a comprehensive DevOps platform that provides an all-in-one CI/CD toolchain, simplifying the workflow for teams. With a singular interface, unified conversations, and a consistent permission model, GitLab transforms collaboration among Security, Development, and Operations teams within a single application. This integration leads to significant reductions in development time and costs, minimizes application vulnerabilities, and accelerates software delivery processes. Furthermore, it enhances developer productivity by facilitating source code management that promotes collaboration, sharing, and coordination among the entire software development team. To expedite software delivery, GitLab enables efficient tracking and merging of branches, auditing of changes, and supports concurrent work efforts. Teams can review code, engage in discussions, share knowledge, and pinpoint defects, even in distributed settings, through asynchronous review processes. Additionally, the platform automates and tracks code reviews, generating reports that enhance transparency and continuous improvement in the development cycle. By offering these robust features, GitLab not only streamlines operations but also fosters a culture of collaboration and efficiency within development teams.

Jit's DevSecOps Orchestration Platform empowers fast-paced Engineering teams to take charge of product security without compromising development speed. By providing a cohesive and user-friendly experience for developers, we imagine a future where every cloud application is initially equipped with Minimal Viable Security (MVS) and continually enhances its security posture through the integration of Continuous Security in CI/CD/CS processes. This approach not only streamlines security practices but also fosters a culture of accountability and innovation within development teams.

The YAG Suite represents a groundbreaking French tool that elevates SAST capabilities significantly. YAGAAN merges static analysis with machine learning, providing clients with much more than a mere source code scanner. This comprehensive suite enhances application security audits and integrates security and privacy within DevSecOps design processes. By aiding developers in grasping the causes and implications of vulnerabilities, the YAG Suite transcends standard vulnerability detection methods. Its contextual remediation feature enables developers to swiftly address issues while also enhancing their secure coding practices. Additionally, YAG Suite’s innovative 'code mining' technique facilitates security assessments of unfamiliar applications, effectively mapping all pertinent security mechanisms and offering querying features to identify 0-day vulnerabilities and other risks that cannot be automatically detected. Currently, it supports programming languages such as PHP, Java, and Python, with plans to expand to JavaScript, C, and C++ in the future. This forward-thinking approach ensures that developers are well-equipped to tackle emerging security challenges.

In today's fast-paced business environment, software development must keep pace with the demands of the market. However, the current AppSec toolbox often suffers from a lack of integration, leading to complexities that can impede the software development life cycle. By employing Contrast, development teams can alleviate these challenges, as it reduces the complications that frequently affect their productivity. Traditional AppSec methods rely on a one-size-fits-all strategy for identifying and addressing vulnerabilities, resulting in inefficiencies and high costs. In contrast, Contrast optimizes the application of the most effective analysis and remediation techniques, significantly enhancing both efficiency and effectiveness. Additionally, disparate AppSec tools can create operational silos, which obstruct the gathering of actionable insights related to the application's attack surface. Contrast addresses this issue by offering centralized observability, essential for risk management and leveraging operational efficiencies, benefiting both security and development teams alike. Furthermore, Contrast Scan, designed specifically for integration within development pipelines, ensures the swift, precise, and cohesive solutions that modern software development demands, ultimately leading to a more agile and responsive approach.

Hubbl Diagnostics: Empowering the Salesforce Ecosystem with Intelligent Org Solutions At Hubbl Diagnostics, our commitment is to enhance and empower the entire Salesforce ecosystem by offering innovative org intelligence solutions. We equip Salesforce administrators, architects, and consultants with the most comprehensive and actionable insights available for any Salesforce organization. Our mission is straightforward: to assist organizations in addressing technical debt, removing redundant automation, and effectively managing the increasing complexity of their Salesforce environments. This approach allows businesses to optimize their investments in Salesforce, enabling them to achieve results more quickly than they ever thought possible. What distinguishes Hubbl Diagnostics is our unique metadata aggregation, which not only provides essential insights but also gives the Salesforce ecosystem access to valuable benchmark data. This enables users to evaluate and compare their organization's complexity with that of others in the same sector, thereby gaining a significant advantage. By leveraging the capabilities of Hubbl Diagnostics, companies can revolutionize their Salesforce operations, enhancing processes, boosting efficiency, and reaching unprecedented levels of success. Ultimately, our solutions empower organizations to not just survive but thrive in an increasingly competitive landscape.

Reshift stands out as an essential tool specifically crafted for Node.js developers, aimed at bolstering the security of their custom coding projects. By leveraging this innovative solution, developers can significantly improve their chances of identifying and fixing problems before code is submitted, boasting a fourfold increase in such outcomes. It integrates security measures directly into the development workflow, effectively detecting and addressing vulnerabilities during the compile stage. This state-of-the-art security tool works in harmony with developers, ensuring that their productivity remains uninterrupted. With its integration into developers' IDEs, Reshift enables immediate identification of security issues, facilitating necessary corrections before any code is merged. For those without a strong background in security, Reshift makes it easy to weave security protocols into the development process. It is particularly beneficial for growing software firms looking to elevate their security posture, making it ideal for small to medium-sized enterprises that may lack deep security expertise. Not only does Reshift enhance the security of code, but it also provides valuable insights into effective secure coding practices. Additionally, Reshift comes equipped with extensive resources and industry best practices, allowing developers to educate themselves about security while coding. This dual emphasis on learning and practical implementation renders Reshift an indispensable tool for any development team aiming to improve their security framework. Ultimately, by adopting Reshift, developers not only protect their applications but also cultivate a culture of security awareness within their teams.

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 Puma Scan Professional End User Edition provides developers with the opportunity to leverage Puma Scan through a Visual Studio extension, boasting enhanced features, fewer false positives, and numerous support alternatives. This particular license is effective for a duration of one year, with options for renewal on an annual basis. On the other hand, the Server Edition allows for command line scanning and can be seamlessly integrated into your build server, eliminating the need for Visual Studio's resources. A single Server license is usable across five build agents within a single organization, and for those with larger demands, additional Build Agent Bundles can be purchased in sets of five. Moreover, the Azure DevOps Extension incorporates a Puma Scan build task into your Azure DevOps pipelines, streamlining your development process. With Azure DevOps Standard licenses, users can scan up to 20 build pipelines, while the Azure DevOps Unlimited licenses provide the capability for unrestricted scanning across an entire organization, guaranteeing thorough coverage for all projects. This range of options empowers organizations to select the most suitable licensing arrangement tailored to their unique scanning needs, ensuring they can effectively manage their software security. Additionally, the flexibility offered by these editions allows for scalability as the organization grows and its scanning requirements evolve.

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.

AttackFlow Enterprise Edition is a comprehensive web-based solution that connects with various repositories and includes a range of enterprise functionalities designed to bolster application security. Its IDE extensions enable real-time document scanning throughout the development process, assisting in the identification of potential vulnerabilities. Offering static source code scanning that is both flow-sensitive and accurate, AttackFlow empowers developers to uncover security flaws without needing to compile their code ahead of time. Tailored for on-premise deployment, AttackFlow Enterprise Edition is adept at securing applications, whether they are simple scripts or extensive enterprise systems. The platform's Static Application Security Testing (SAST) features are intricately woven into the DevOps workflow, supported by tools such as CLI and extensions for DevOps/Jenkins, which guarantees that security protocols are integrated at every phase of the DevOps pipeline. A key aspect of effectively incorporating a DevOps culture is the emphasis on security, and in the rapidly changing DevOps environment, AttackFlow is instrumental in promoting the creation of more secure applications. By equipping organizations with powerful security tools, AttackFlow aids them in managing the intricate challenges of application security while maintaining a brisk development pace, ultimately fostering a culture of security awareness across 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.

Brakeman is a dedicated security scanner tailored for Ruby on Rails applications. Unlike numerous other web security scanning tools that often depend on runtime analysis, Brakeman directly examines the source code, which removes the necessity of setting up the entire application environment for its use. Upon completion of the scan, Brakeman produces a detailed report highlighting any identified security vulnerabilities. There is no need for additional setup or configuration after installation; users simply run the tool. Given that it only requires access to the source code, Brakeman can be employed at any stage of the development cycle, allowing developers to create a new application using the command rails new and instantly evaluate it for security issues. Additionally, because Brakeman bypasses the need to crawl websites for discovering all their pages, it provides more extensive coverage by detecting potential problems even in inactive pages. Essentially, Brakeman is equipped to identify security flaws before they can be exploited by malicious actors. Specifically designed for Ruby on Rails applications, Brakeman effectively checks configuration settings against recognized best practices, which helps to ensure a strong security posture. This focused methodology renders Brakeman an indispensable asset for developers who prioritize the security and integrity of their projects. Its ability to assess applications early in the development process further enhances its value, allowing for proactive measures to be taken before deployment.

The Secure Programming Group within the Department of Computer Science at the University of Virginia is charged with both the creation and continual enhancement of Splint, a static analysis tool. Leading this initiative is David Evans, who is also the primary developer of the project. The initial concept of memory bounds checking was introduced by David Larochelle, while University of Virginia students such as Chris Barker, David Friedman, Mike Lanouette, and Hien Phan made notable contributions to the project's advancement. Splint is essentially an evolution of LCLint, a tool that emerged from a collaborative research project involving the Massachusetts Institute of Technology and Digital Equipment Corporation's System Research Center. David Evans also played a pivotal role as the chief designer and developer of LCLint. The foundational idea for a static checking tool that could pinpoint inconsistencies between LCL specifications and their C implementations was conceived by John Guttag and Jim Horning. Their expertise and innovative ideas were instrumental in shaping both LCLint and its successor, Splint, thereby establishing a strong framework for developing tools that significantly improve software reliability and security. This collaborative effort highlights the importance of interdisciplinary teamwork in addressing complex programming challenges.