List of the Top 18 Code Review Tools for GitLab in 2025

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.

Accelerate the speed and efficiency of software development and delivery by harnessing the power of generative AI, while maintaining strong enterprise security and privacy measures. Gemini Code Assist enhances your coding experience through its ability to complete your code in real-time and generate full code segments or functions upon request. This dynamic coding tool is compatible with a wide range of popular integrated development environments (IDEs) such as Visual Studio Code and various JetBrains IDEs, including IntelliJ, PyCharm, GoLand, and WebStorm, as well as Cloud Workstations and Cloud Shell Editor, supporting over 20 different programming languages like Java, JavaScript, Python, C, C++, Go, PHP, and SQL. With a user-friendly natural language chat interface, Gemini Code Assist allows for seamless interaction, providing answers to your programming questions or offering insights into best coding practices, and this chat feature is available across all supported IDEs. Organizations can customize Gemini Code Assist by integrating their proprietary codebases and knowledge libraries, thus enabling the tool to deliver more tailored assistance that meets unique enterprise requirements. Moreover, Gemini Code Assist is designed to facilitate substantial changes across entire codebases, thereby greatly enhancing the development workflow. This versatile approach not only increases productivity but also empowers teams to innovate at a faster pace in a secure setting, ultimately driving success in software projects. As organizations adapt to evolving technological landscapes, tools like Gemini Code Assist become essential in maintaining a competitive edge.

Code reviews can be straightforward and efficient, and Review Board streamlines the code review experience, allowing you to conserve time, resources, and mental effort, so you can focus on creating outstanding software. You have the capability to review a wide range of items, including code, documents, artwork, and additional materials. Remember, your project is not limited to just code; it encompasses critical components such as documentation, design visuals, website layouts, interface mockups, release notes, and feature specifications, among other materials. Incorporating visuals can significantly improve your review experience, as an image can often express intricate concepts more effectively than text alone. By simply dragging and dropping one or more images into your review request, you ensure they are instantly available for evaluation. Team members can interact with these images directly, offering comments right where they are needed most. Any changes made to the images can be effortlessly monitored by uploading updated versions and comparing them through a variety of visual diff options. Furthermore, you may encounter other written materials relevant to your project that exist outside of your source code directory, providing even greater flexibility and depth to the review process. This multifaceted approach ensures that every aspect of your project is thoroughly assessed and improved upon.

Sourcegraph enables you to view the repositories you frequently interact with, whether they're stored in various code hosts or scattered throughout the open-source landscape. With its advanced filtering options and Code Intelligence, you can efficiently locate answers using standard, structural, or literal expression searches. The platform supports a range of extensions to integrate your various tools, featuring capabilities like test coverage analysis, a one-click option to open files in the editor, custom highlighting, and data retrieval from other services. To assist engineers in quickly grasping unfamiliar code, you can generate dynamic documentation using Markdown alongside live queries into the codebase. Collaborative, shareable notebooks facilitate easy navigation through your code and help in troubleshooting issues. Additionally, you can incorporate HTML into these notebooks wherever you need, similar to how you manage your internal documentation, streamlining the process of updating outdated resources. To deepen your understanding of the code and repository organization, you can conduct searches across all connected code hosts, ensuring you have comprehensive insights into your projects. This multifaceted approach ultimately enhances productivity and fosters a better understanding among team members.

Software development projects are inherently intricate, and the principle of entropy adds to this complexity. Developers often find themselves navigating a tangled web of dependencies, leading to designs that may not endure over time. Softagram provides a solution by automatically visualizing changes in these dependencies. With automated integration, you can enhance pull requests across platforms like GitHub, Bitbucket, and Azure DevOps with a detailed dependency report. This report conveniently appears as a comment in your chosen tool, offering insights into various factors, including open source licenses and overall quality. Additionally, it can be tailored to suit specific requirements. The Softagram Desktop application, which is specifically crafted for in-depth software comprehension and auditing, also facilitates efficient software audits, ensuring that developers maintain high standards throughout their projects. Thus, the combination of these tools empowers teams to manage complexity effectively.

Visual Expert serves as a comprehensive static code analysis tool tailored for Oracle PL/SQL, SQL Server T-SQL, and PowerBuilder. This powerful utility pinpoints code dependencies, enabling modifications without jeopardizing application stability. In addition, it meticulously inspects your code for security vulnerabilities, quality concerns, performance bottlenecks, and maintainability challenges. It facilitates impact analysis to identify potential breaking changes. The tool performs thorough scans to uncover security flaws, bugs, and maintenance hurdles. You can seamlessly incorporate continuous code inspection into your CI workflow. Furthermore, Visual Expert enhances your understanding of code dynamics, providing detailed documentation through call graphs, code diagrams, CRUD matrices, and object dependency matrices (ODMs). With the capability to automatically generate source code documentation in an HTML format, navigating your code becomes effortless with built-in hyperlinks. The tool also allows for comparison between two code segments, databases, or entire applications. By focusing on maintainability, it helps in cleaning up code to adhere to development standards. Additionally, it evaluates and enhances database code performance by identifying slow objects and SQL queries, optimizing them, and displaying query execution plans for better insights. Overall, Visual Expert is essential for developers aiming to improve code quality and performance.

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.

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.

Discover a privacy-focused method for evaluating pull requests that delivers comprehensive code suggestions for every line, coupled with a dynamic chat feature that evolves with use. The system effectively summarizes changes within the pull request, clarifying the intent behind each modification. Automated release notes are generated to facilitate seamless integration into your release documentation. Every code change undergoes meticulous review, offering precise and actionable feedback that can be readily applied. You can interact with the bot by posing questions directly linked to your code and providing extra context for generating tailored code snippets. As your dialogue with the bot expands, its capabilities enhance, resulting in faster review cycles and improved quality of code change recommendations. Your privacy is preserved throughout this process, allowing the system to customize the review experience to meet your specific requirements. This innovative approach continuously evolves, improving the relevance of its suggestions to better align with your unique coding style and preferences as you interact with it over time. By fostering this dynamic relationship, developers can achieve a more efficient workflow and greater satisfaction in their coding practices.

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.

Metabob specializes in diagnosing, interpreting, and resolving coding problems that may stem from either human errors or artificial intelligence. Utilizing cutting-edge graph neural networks for detection alongside large language models for elucidation and resolution, Metabob effectively combines the advantages of both technologies. The graph neural networks scrutinize and classify problematic code while remaining contextually aware. This code, enriched with pertinent context, is then archived in Metabob's backend system. The stored information is later harnessed by an integrated large language model, which generates customized explanations and solutions informed by the provided context. Trained on a vast dataset comprising millions of bug fixes performed by adept developers, Metabob's AI possesses a profound understanding of coding logic and context, allowing it to pinpoint complex issues across various codebases and autonomously generate appropriate fixes. Furthermore, Metabob's AI code review feature has the capability to reveal numerous logical errors, such as race conditions and overlooked edge cases, that often elude traditional static analysis tools. This groundbreaking methodology not only boosts debugging efficiency but also significantly improves the overall quality of the codebase. As a result, developers can focus more on innovation and less on troubleshooting.

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.

It cultivates a vibrant community by promoting the exchange of code, bug reports, translations, and innovative ideas across a multitude of projects, independent of the tools employed. Launchpad allows users to share bug reports, updates, patches, and comments efficiently across various project lines. Furthermore, it facilitates the sharing of bug data with other tracking systems such as Bugzilla and Trac. The platform encompasses all fundamental aspects of a bug tracker, including web, email, and API interfaces, connections between bugs and their corresponding fixes, as well as team-oriented delegation functionalities. Once users are ready, they can upload their code branches to Launchpad and suggest merging them into the primary codebase. The code review mechanism, available through both web and email, creates an open forum for discussing and determining the approval or rejection of merge requests. Additionally, Launchpad streamlines the translation process for all participants, providing translators with a straightforward web interface that offers automatic suggestions from a vast repository of over 16 million strings. This comprehensive suite of features not only bolsters collaboration but also guarantees that all contributors, irrespective of their experience level, can engage meaningfully in the development journey. Ultimately, Launchpad serves as a vital tool that enhances communication and teamwork within the software development sphere.

Our SaaS solution effortlessly integrates into your existing CI/CD pipeline, allowing for the swift creation of preview environments and the execution of thorough end-to-end testing. When developers push code, we quickly replicate your infrastructure in seconds by leveraging snapshots from earlier builds. You can perform end-to-end tests in one instance of your stack, while simultaneously building and pushing Docker images in another, and setting up temporary review environments in yet another instance. Once changes receive approval, they can be deployed to users in a flash through your current deployment pipeline. After an initial setup of your stack on webapp.io, you can immediately create 10 copies, enabling the parallel execution of all your end-to-end and acceptance tests, thereby streamlining the development workflow and boosting efficiency. This adaptability of our platform empowers development teams to refine their processes and significantly reduce the time taken from code modifications to production deployment, ensuring that teams can deliver quality software faster. By embracing this innovative approach, your team can stay ahead of the curve in a competitive market.

Ensure the production of high-quality code while following agile development methodologies. With Jtest's comprehensive suite of Java testing tools, you can achieve impeccable coding at each phase of Java software development. Simplify adherence to security regulations by making certain that your Java code meets established industry standards. The automated creation of compliance verification documentation streamlines the process. Accelerate the delivery of quality software by utilizing Java testing tools that can quickly and effectively identify defects. By proactively addressing issues, you can save time and reduce costs associated with complex problems down the line. Maximize your investment in unit testing by developing JUnit test suites that are not only easy to maintain but also optimized for code coverage. Enhanced test execution capabilities provide quicker feedback from continuous integration as well as from your integrated development environment. Parasoft Jtest seamlessly fits into your development framework and CI/CD pipeline, offering real-time, insightful updates on your testing and compliance status. This level of integration ensures that your development process remains efficient and effective, ultimately leading to better software outcomes.

CodeSonar employs a cohesive dataflow methodology combined with symbolic execution analysis to evaluate all computations within an application. Its static analysis engine is profoundly comprehensive and avoids relying on pattern matching or similar heuristic methods. This capability allows it to identify three to five times as many defects compared to other static analysis tools available in the market. Unlike many tools such as testing frameworks and compilers, SAST tools seamlessly integrate into any software development workflow. Technologies like CodeSonar are designed to attach to pre-existing build environments, enhancing them with valuable analysis insights. Acting similarly to a compiler, CodeSonar constructs an abstraction model that represents the entire program rather than generating object code. Its symbolic execution engine meticulously examines this derived model, establishing connections and insights that enhance code quality. Ultimately, CodeSonar stands out in its ability to deliver deep analysis for software reliability and security.

Veracode offers a comprehensive and adaptable approach to oversee security risks throughout your entire suite of applications. This singular solution uniquely delivers insights into the progress of various testing methodologies, such as manual penetration testing, SAST, DAST, and SCA, ensuring thorough risk management. Additionally, it enables organizations to maintain a proactive stance on security, thereby enhancing their overall application safety.