List of the Top 15 Code Review Tools for Kotlin in 2026

Experience the future of code review with AI-driven solutions that enhance code quality and address vulnerabilities proactively. Automatically correct issues directly within your IDE or through pull requests. Aikido serves as your comprehensive software security hub, managing vulnerabilities and conducting penetration testing to ensure that everything you develop, host, and operate is secure. Designed to accommodate teams of all sizes, Aikido empowers businesses to deliver secure software, earning the trust of prominent organizations like Revolut, Deel, The Premier League, Tines, n8n, SoundCloud, and over 50,000 others. With Aikido, developers can focus more on coding and less on security concerns.

ZeroPath is the AI-native SAST that finds vulnerabilities traditional tools miss. We built it because security shouldn't overwhelm developers with noise. Unlike pattern-matching tools that flood you with false positives, ZeroPath understands your code's intent and business logic. We find authentication bypasses, IDORs, broken auth, race conditions, and business logic flaws that actually get exploited and missed by traditional SAST tools. We auto-generate patches and pull requests that match your project's style. 75% fewer false positives, 200k+ scans run per month, and ~120 hours saved per team per week. Over 750 organizations use ZeroPath as their new AI-native SAST. Our research has uncovered critical vulnerabilities in widely-used projects like curl, sudo, OpenSSL, and Better Auth (CVE-2025-61928). These are the kinds of issues off-the-shelf scanners and manual reviews miss, especially in third-party dependencies. ZeroPath is an all-in-solution for your AppSec teams: 1. AI-powered SAST 2. Software Composition Analysis with reachability analysis 3. Secrets detection and validation 4. Infrastructure as Code scanning 5. Automated PR reviews 6. Automated patch generation and more...

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.

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.

Codacy is a unified platform that brings together code quality, application security, and AI risk protection to support modern, fast-paced development environments. It provides continuous analysis across the entire software development lifecycle, from local development in IDEs to production environments. The platform performs static application security testing (SAST), dynamic testing (DAST), dependency scanning, and infrastructure-as-code analysis to detect vulnerabilities and misconfigurations early. Codacy’s AI Guardrails enhance this process by identifying and fixing issues in AI-generated code, ensuring compliance with organizational standards. Developers receive real-time feedback, automated pull request checks, and detailed insights into code complexity, duplication, and test coverage. Centralized rule management enables organizations to enforce consistent coding and security standards across all teams and repositories. The platform integrates with popular tools like GitHub, GitLab, and CI/CD pipelines, making adoption seamless. Codacy also supports automated unit test generation and advanced reporting through its MCP-powered interactions. By reducing manual effort and improving visibility, it allows developers to focus on building high-quality software. The result is faster delivery cycles, stronger security posture, and more maintainable codebases. Codacy is trusted by thousands of organizations worldwide to streamline development while minimizing risk.

Combine your team's code assessments with automated style recommendations across various programming languages on one comprehensive platform. Integrating your repository is a breeze and can be done in just a few clicks, with our review process now faster than ever before. Teams have the flexibility to either follow suggested style guidelines or modify each tool to better suit their specific needs. By leveraging auto-fixing capabilities to address style inconsistencies, you can devote more time to delivering valuable feedback. Stickler CI ensures your code remains on our servers only during the review period, maintaining data security; once the review comments are finalized, your code is swiftly removed from our systems. Gradually improve and standardize your code quality with every pull request, guaranteeing that your coding standards are uniformly upheld throughout ongoing developments without disrupting your team’s productivity. Achieve consistency in both code quality and style through the automatic application of style and quality validation tools. You can choose to maintain default configurations or adapt linters to fit your established coding standards, which simplifies the process of upholding high-quality code for your team. This approach not only nurtures a collaborative atmosphere but also encourages adherence to coding best practices, ultimately enhancing the overall performance of your development efforts. With these features, your team can work more efficiently while ensuring that best practices are integrated into every aspect of the coding lifecycle.

Macroscope is an analytics platform powered by AI, designed specifically for engineering and product teams, that integrates effortlessly with a company's codebase, commit logs, issue tracking systems like Linear or Jira, and Slack to generate insights about the development workflow automatically. Utilizing code-walking methods on the Abstract Syntax Tree (AST), it meticulously assesses code modifications to uncover the interconnections and dependencies within the code, eventually creating summaries for commits and pull requests, which also feature automated reviews and descriptions, along with tracking changes in the codebase and recognizing trends in feature development and bug fixing. Stakeholders are empowered to ask about progress using natural language, such as "What did we ship last week?", allowing them to access valuable insights on engineering resource allocation, detect critical bugs while minimizing false positives, and observe productivity and project status without needing to examine every detail of code changes. Additionally, this tool significantly improves communication efficiency among team members by consolidating information and promoting a more transparent understanding of project developments, ultimately leading to better decision-making within the team. By providing a comprehensive overview of ongoing progress, Macroscope not only streamlines workflows but also enhances collaboration across various roles within the organization.

Mesa is a cutting-edge platform that utilizes artificial intelligence to improve the code review process, allowing engineering teams to enhance software quality and deploy code with greater assurance by tackling technical debt before it affects production. Its intelligent agents understand the unique components of a team’s codebase, business logic, and development standards, thus offering reviews that are both contextual and accurate, going beyond basic linting or generic AI suggestions. Users can create custom review agents tailored to address specific concerns like security vulnerabilities, performance enhancements, and domain-specific logic, while also choosing from a variety of foundational models offered by esteemed providers such as OpenAI, Anthropic, and Google, which can be fine-tuned for different criteria including speed, cost-effectiveness, or level of intelligence. Moreover, Mesa generates thorough and uniform descriptions for pull requests based on templates defined by the team, seamlessly fitting into existing CI/CD workflows and adapting to various branching strategies, ensuring that quality checks become a fundamental aspect of daily development routines. This flexibility not only simplifies the review process but also empowers teams to uphold high standards consistently throughout their software development lifecycle, ultimately leading to more reliable and efficient software delivery. Embracing this technology can significantly enhance collaboration and communication within teams, fostering a culture of continuous improvement.

Sourcery functions as an AI-based automated code review tool and coding assistant dedicated to improving code quality, detecting bugs and security issues early, and maintaining consistent standards across multiple projects for developers and engineering teams. It integrates smoothly with popular development platforms such as GitHub, GitLab, and IDEs like VS Code and JetBrains, providing immediate, actionable insights on pull requests and code modifications rather than depending solely on traditional peer review methods. By combining the capabilities of large language models with static analysis techniques, Sourcery examines code differences to deliver concise summaries, detailed recommendations for individual lines, comprehensive feedback, and visual aids that clarify suggested changes, aiming to replicate the review quality of a fellow developer. Within the integrated development environment, it serves as a real-time pair programming assistant that not only highlights potential improvements but also allows for one-click implementation of suggestions and features an AI chat option for additional guidance, making it an adaptable resource for developers wanting to enhance their coding techniques. Furthermore, Sourcery's feedback in real-time cultivates a cooperative coding atmosphere, enabling teams to collaborate more effectively and streamline their workflows, ultimately leading to improved productivity and code quality. This emphasis on collaboration and efficiency makes Sourcery an invaluable asset for modern development teams.

Kodus is an innovative, collaborative platform that utilizes AI for code reviews, featuring an intelligent assistant named Kody, which integrates flawlessly with major Git services such as GitHub, GitLab, Bitbucket, and Azure DevOps, to support engineering teams in automating and improving the quality of their code evaluations. Kody conducts in-depth analyses of each pull request, considering the specific codebase, architecture, workflows, coding standards, and business rules of the team, thereby providing precise feedback that emphasizes quality, security, performance, and style, avoiding generic suggestions. Teams can customize their review parameters using natural language or opt for a selection of pre-approved rules that encourage best practices and uphold uniform standards; they also have the flexibility to implement their preferred AI models by using their own API keys. Furthermore, Kodus turns unresolved recommendations into tracked issues, helps monitor technical debt, and offers actionable insights in a way that reduces distractions, while accommodating over 30 programming languages to ensure versatility across various projects. This all-encompassing strategy not only simplifies the review process but also promotes a culture of ongoing enhancement within development teams, paving the way for more effective collaboration and higher-quality code outcomes. Ultimately, Kodus empowers teams to maintain a focused and efficient development environment while continuously refining their coding practices.

Cubic is an AI-powered code review tool that simplifies the evaluation of pull requests on GitHub, assisting software development teams in detecting bugs, upholding coding standards, and speeding up their release processes by reducing delays caused by manual reviews. It delivers instant, context-sensitive feedback when a pull request is initiated by examining the comprehensive history of the repository and identifying established patterns, resulting in inline comments that highlight bugs, coding inconsistencies, technical debt, and improvement suggestions that might be missed by human reviewers, along with one-click solutions for simpler problems. Moreover, Cubic can generate brief overviews of pull requests that clarify the changes' intent and implications, systematically organize complex differences into digestible parts, and include a chat interface that enables developers to ask questions or interact with the codebase directly within the platform. Teams have the flexibility to set up tailored review processes and integrate business context from issue management systems like Jira, Linear, or Asana, ensuring that code reviews not only evaluate technical quality but also meet specific acceptance criteria. Additionally, the innovative functionalities of Cubic considerably boost the code review workflow, promoting teamwork and enhancing software quality overall while also adapting to the unique needs of each development team.

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.

Quickly evaluate the overall quality of your project's code by reviewing recent commits and pinpointing the most troublesome files through CodeFactor. This tool actively tracks both new and resolved issues with every commit and pull request, prioritizing critical problems by evaluating aspects such as code size, frequency of changes, and total file size, thus enabling you to concentrate on the most pressing matters. You can seamlessly create and manage issues or comments directly within the code files or through the project's issue pages. Moreover, CodeFactor offers real-time updates on the status of pull requests for GitHub and Bitbucket, ensuring you stay informed. Users have the flexibility to toggle the inspection feature for any branch of the repository whenever necessary. Additionally, it integrates with Slack to provide instant notifications about code quality for each commit made in a branch or pull request. To begin using this tool, simply head to the repository settings page for installation. The pricing structure is clear and based on the number of private repositories, ensuring there are no unexpected fees. This approach facilitates a smooth integration into your existing workflow, leading to enhanced efficiency and collaboration among team members. By utilizing CodeFactor, you not only improve code quality but also foster a culture of continuous improvement within your development team.

Customize the criteria for code reviews to align with the standards that are most critical to you, effectively allowing you to bypass trivial bugs and concentrate on more pressing concerns. This approach facilitates the execution of code reviews without the persistent worry of underlying security vulnerabilities. Codegrip guarantees the confidentiality of your code during these automated evaluations, ensuring that your sensitive information remains secure. Keep abreast of your project's progress as you receive automatic evaluations of code quality and notifications about pull requests in a specific Slack channel of your choice. Oversee multiple projects concurrently through a unified dashboard that consolidates all pertinent details into one view. Track the advancements in code quality over time using clear metrics and visual aids that facilitate understanding. The OWASP framework serves as a consensus on the key security risks encountered by web and mobile applications, offering vital insights to both developers and security professionals about the most common and easily exploitable weaknesses in web applications. By adhering to these recommendations, you can significantly improve your vigilance and readiness against potential security threats while fostering a culture of continuous learning and improvement within your team.

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.