Best Code Review Tools with a Free Trial of 2025

Windsurf is a cutting-edge IDE designed for developers to maintain focus and productivity through AI-driven assistance. At the heart of the platform is Cascade, an intelligent agent that not only fixes bugs and errors but also anticipates potential issues before they arise. With built-in features for real-time code previews, automatic linting, and seamless integrations with popular tools like GitHub and Slack, Windsurf streamlines the development process. Developers can also benefit from memory tracking, which helps Cascade recall past work, and smart suggestions that enhance code optimization. Windsurf’s unique capabilities ensure that developers can work faster and smarter, reducing onboarding time and accelerating project delivery.

Visual Expert is a static code analyzer for Oracle PL/SQL, SQL Server T-SQL and PowerBuilder. It identifies code dependencies to let you modify the code without breaking your application. It also scans your code to detect security flaws, quality, performance and maintenability issues. Identify breaking changes with impact analysis. Scan the code to find security vulnerabilities, bugs and maintenance issues. Integrate continuous code inspection in a CI workflow. Understand the inner workings and document your code with call graphs, code diagrams, CRUD matrices, and object dependency matrices (ODMs). Automatically generate source code documentation in HTML format. Navigate your code with hyperlinks. Compare two pieces of code, databases or entire applications. Improve maintainability. Clean up code. Comply with development standards. Analyze and improve database code performance: Find slow objects and SQL queries, optimize a slow object, a call chain, a slow SQL query, display a query execution plan.

GitGuardian is a global cybersecurity startup focusing on code security solutions for the DevOps generation. A leader in the market of secrets detection and remediation, its solutions are already used by hundred thousands developers in all industries. GitGuardian helps developers, cloud operation, security and compliance professionals secure software development, define and enforce policies consistently and globally across all their systems. GitGuardian solutions monitor public and private repositories in real-time, detect secrets and alert to allow investigation and quick remediation.

Enhance the speed and efficiency of software development and delivery by leveraging generative AI support, all while ensuring robust enterprise security and privacy safeguards. Gemini Code Assist streamlines your coding process by completing your code as you type and can generate entire code blocks or functions upon request. This powerful code assistance tool is compatible with a variety of popular integrated development environments (IDEs) like Visual Studio Code and JetBrains IDEs (including IntelliJ, PyCharm, GoLand, and WebStorm), as well as Cloud Workstations and Cloud Shell Editor, supporting over 20 programming languages such as Java, JavaScript, Python, C, C++, Go, PHP, and SQL. Utilizing a natural language chat interface, you can easily interact with Gemini Code Assist to obtain solutions to your coding queries or gain insights into coding best practices, with chat functionality accessible across all supported IDEs. Organizations have the flexibility to tailor Gemini Code Assist by integrating their private codebases and knowledge repositories, enabling the tool to provide more personalized assistance that aligns with specific enterprise needs. Furthermore, Gemini Code Assist has the capability to facilitate extensive modifications across entire codebases, thereby optimizing the development workflow significantly. This adaptability not only boosts productivity but also empowers teams to innovate more rapidly in a secure environment.

Deliver high-quality code by systematically reviewing it, engaging in discussions about modifications, sharing insights, and detecting issues across various version control systems like SVN, Git, Mercurial, CVS, and Perforce. Establish structured, workflow-oriented, or rapid code reviews while designating reviewers from your team to enhance collaboration. Transform any code review into a dynamic conversation by commenting on particular lines of code, files, or entire changesets. Prioritize important actions with consolidated views of your coding activities, including commits, reviews, and comments. Utilize data to elevate code quality by identifying sections of your codebase that may lack adequate review. Obtain a snapshot of the review status to track potential delays caused by pending reviews. Maintain a thorough audit trail that encapsulates all details of code reviews, including the historical context of each review. Tailor your Jira Software workflow to ensure it halts if any reviews are still in progress. Enhance your development processes by integrating Jira Software with Bitbucket Server, Bamboo, and a multitude of additional developer tools, thus streamlining the entire code management lifecycle. This integration facilitates more efficient collaboration and fosters a culture of continuous improvement within your development team.

Sourcegraph shows you the repositories that you use, stored in any code host or search across the open-source universe. With smart filters and Code Intelligence, you can quickly find answers with regular, structural, or literal expression searches. Extensions allow you to connect all your tools, including test coverage, 1-click file in editor, custom highlight, and information from other services. To help engineers learn unfamiliar code faster, create living documentation using Markdown and live query code. Use collaborative, shareable notebooks to navigate through your codebase and resolve issues. You can embed HTML in notebooks wherever you can, just like your internal documentation. This will allow you to spend less time updating outdated docs. To learn more about the code and repository structure, search across all code hosts.

Software projects are often complex. The law of entropy makes it more complicated. Developers easily get lost in the dependency network, and they tend to create designs that don't stand the test of time. Softagram automatically illustrates how dependencies change. Automated integration allows you to decorate pull requsts in GitHub, Bitbucket and Azure DevOps with a dependency report. This report pops up as a comment within the tool you use. The analysis also includes other aspects, such as open source licenses or quality. You can customize it to meet your needs. Softagram Desktop app, which is designed for advanced software understanding as well as auditing software usage, can also be used to efficiently perform software audits.

CodeScene's powerful features go beyond traditional code analysis. Visualize and evaluate all the factors that influence software delivery and quality, not just the code itself. Make informed, data-driven decisions based on CodeScene’s actionable insights and recommendations. CodeScene guides developers and technical leaders to: - Get a holistic overview and evolution of your software system in one single dashboard. - Identify, prioritize, and tackle technical debt based on return on investment. - Maintain a healthy codebase with powerful CodeHealth™ Metrics, spend less time on rework and more time on innovation. - Seamlessly integrate with Pull Requests and editors, get actionable code reviews and refactoring recommendations. - Set Improvement goals and quality gates for teams to work towards while monitoring the progress. - Support retrospectives by identifying areas for improvement. - Benchmark performance against personalized trends. - Understand the social side of the code, measure socio-technical factors like key personnel dependencies, knowledge sharing and inter-team coordination.

DeepSource streamlines the process of identifying and resolving code issues during reviews, including risks of bugs, anti-patterns, performance bottlenecks, and security vulnerabilities. Setting it up with your Bitbucket, GitHub, or GitLab account takes under five minutes, making it incredibly convenient. It supports various programming languages such as Python, Go, Ruby, and JavaScript. Additionally, DeepSource encompasses all essential programming languages, Infrastructure-as-Code capabilities, secret detection, code coverage, and much more. This means you can rely solely on DeepSource for code protection. Initiate your development with the most advanced static analysis platform, ensuring that you catch bugs before they make their way into production. It boasts the largest array of static analysis rules available in the market. Your team will benefit from having a centralized location to monitor and address code health effectively. With DeepSource, code formatting can be automated, ensuring your CI pipeline remains intact without style violations disrupting the process. Furthermore, it can automatically generate and implement fixes for detected issues with just a few clicks, enhancing your team's productivity and efficiency.

CodeSandbox aims to make it easier for you to express your ideas with code, and to validate them. It also removes the hassles of setting up development tooling and sharing your project. Join us to help build the future of web coding. Over 4M developers use the platform each month. This includes organizations like Shopify and Atlassian. Since its launch, creators have created over 35M apps. It's used in thousands of open-source projects like React, Vue and Babel. You can invite your friends, colleagues, or team to join you or simply view your creation by using a URL. Use any of 1M+ packages for building real, powerful applications quickly and efficiently. Import and run repos directly from GitHub or choose from hundreds of templates to start in seconds. Boxy, CodeSandbox's AI-powered coding assistant, is now available to all Pro subscriptions.

Work seamlessly with colleagues and AI without having to abandon your preferred tools, thereby reducing interruptions and the need to switch contexts. Pullflow connects user identities and code-review processes across GitHub, Slack, and VS Code, allowing for fluid conversations across different platforms. You can initiate actions from any location and effortlessly return to your workflow. With integrations into GitHub Actions, external CI/CD systems, GitHub apps, and additional services, Pullflow provides a comprehensive overview of your pull requests, spanning from drafts and reviews to testing and deployment. Let Pullflow handle swift actions for you with a simple chat mention or a keyboard shortcut in your IDE, enabling you to request reviews, manage labels, provide feedback, approve, and perform other tasks without needing to navigate to GitHub. This streamlined approach enhances productivity and keeps your focus intact, making collaboration more effective and enjoyable.

Experience a privacy-centric approach to pull request evaluations that offers detailed code recommendations on each line and an evolving interactive chat feature. The changes within the pull request are summarized effectively, making it easier to grasp the purpose behind the modifications. Automated release notes are generated, ensuring they can be seamlessly integrated into your release documentation. Each code alteration is scrutinized with a thorough analysis, providing clear and actionable feedback that's ready for implementation. You can engage with the bot by asking questions directly within your code and supplying additional context for it to generate code snippets. As your conversations with the bot increase, its intelligence grows, leading to quicker review cycles and high-caliber suggestions for code changes. Your information remains private, allowing it to tailor the review process to your needs. This system continually adapts based on your interactions, enhancing the relevance of its recommendations to match your coding style and preferences over time.

For those utilizing GitHub Actions in their CI/CD processes and concerned about the security of their pipelines, the StepSecurity platform offers a robust solution. It allows for the implementation of network egress controls and enhances the security of CI/CD infrastructures specifically for GitHub Actions runners. By identifying potential CI/CD risks and detecting misconfigurations in GitHub Actions, users can safeguard their workflows. Additionally, the platform enables the standardization of CI/CD pipeline as code files through automated pull requests, streamlining the process. StepSecurity also provides runtime security measures to mitigate threats such as the SolarWinds and Codecov attacks by effectively blocking egress traffic using an allowlist approach. Users receive immediate, contextual insights into network and file events for all workflow executions, enabling better monitoring and response. The capability to control network egress traffic is refined through granular job-level and default cluster-wide policies, enhancing overall security. It is important to note that many GitHub Actions may lack proper maintenance, posing significant risks. While enterprises often opt to fork these Actions, the ongoing upkeep can be costly. By delegating the responsibilities of reviewing, forking, and maintaining these Actions to StepSecurity, businesses can achieve considerable reductions in risk while also saving valuable time and resources. This partnership not only enhances security but also allows teams to focus on innovation rather than on managing outdated tools.

Step away from the hassle of writing essays, as Squire effortlessly generates pull request descriptions on your behalf. This tool ensures your team remains aligned through concise descriptions and comprehensive changelogs. With an efficient workflow, Squire engages your team in reviewing PRs while providing them with complete context from your codebase. It excels at identifying various issues, including significant breaking changes, security vulnerabilities, and even minor typographical errors. By enhancing code quality, Squire facilitates a smoother transition of your PRs into production. As a context-sensitive agent, Squire collaborates with you to craft descriptions, evaluate PRs, and adapt to your preferred review style. It not only understands your team's reviewing habits but also customizes its approach through explicit settings and by learning from your team's interactions. Furthermore, it helps to delineate and organize ownership and accountability throughout your entire engineering infrastructure, while ensuring compliance by implementing and upholding regulations on your engineering elements. Ultimately, Squire is your partner in achieving a more streamlined and efficient development process.

Optimize your Git commands and effortlessly manage stacked pull requests directly from your terminal. You can visually create and modify stacked PRs without leaving your integrated development environment, ensuring a seamless workflow. Keep all of your PRs and review requests organized in a single inbox for easy tracking. Receive immediate, actionable insights on each pull request thanks to Graphite's AI, which is aware of the codebase context. Prevent merge conflicts and maintain a clean main branch, regardless of whether your team consists of 10 or 10,000 members. Boost your team's productivity with robust, real-time metrics for developers. Experience a faster, more intuitive Git interface that simplifies the stacking process. Use the command 'gt create' again to add another branch atop your existing changes, eliminating the need to wait for merges into the main branch. Your local stack will automatically sync with remote updates, and you can easily tidy up outdated branches using 'gt sync'. Modify changes across your entire stack with the 'gt modify' command, while Graphite takes care of all the recursive rebasing tasks for you. With 'gt submit', you can create or update PRs for each branch within your stack, ensuring a streamlined and efficient development process. This innovative approach to Git management empowers developers to focus more on coding rather than on handling complex version control issues.

Astronuts is an innovative code review platform powered by AI, aimed at enhancing the development workflow by automating the processes of code reviews and bug corrections. Developers can easily kick off code evaluations with a straightforward command, receiving intelligent, line-by-line feedback and suggestions for automatic fixes. This platform boasts various features, including summaries for pull requests, metrics on code quality, and detailed change logs, all presented within an intuitive interface. By integrating effortlessly with GitHub, Astronuts empowers teams to keep track of pull request sizes and monitor code health metrics, significantly cutting down on the time spent on code reviews while also decreasing the occurrence of bugs. Additionally, the platform facilitates real-time chat for addressing code-related inquiries, offers customizable settings for behavior, and establishes rules to uphold coding standards. Supporting a range of programming languages and build systems, Astronuts is well-equipped to serve various development environments effectively. Moreover, the platform provides a free trial along with $5 in credits, allowing teams to test its features without any upfront investment, making it an attractive option for organizations looking to enhance their coding practices. Overall, Astronuts aims to transform the way development teams approach code quality and efficiency.

Codacy is an automated code review tool. It helps identify problems through static code analysis. This allows engineering teams to save time and tackle technical debt. Codacy seamlessly integrates with your existing workflows on Git provider as well as with Slack and JIRA or using Webhooks. Each commit and pull-request includes notifications about security issues, code coverage, duplicate code, and code complexity. Advanced code metrics provide insight into the health of a project as well as team performance and other metrics. The Codacy CLI allows you to run Codacy code analysis locally. This allows teams to see Codacy results without needing to check their Git provider, or the Codacy app. Codacy supports more than 30 programming languages and is available in free open source and enterprise versions (cloud or self-hosted). For more see https://www.codacy.com/

Tailor and Enhance Your Peer Review Workflow for Code and Documents Using Collaborator. Recognized as the leading tool for peer review of code and documentation, Collaborator is designed for development teams committed to maintaining high software quality. Its extensive review capabilities allow you to evaluate source code, design documents, requirements, user stories, test plans, and other documentation all within a single platform. To ensure accountability, it offers proof of review through electronic signatures and comprehensive reports that help meet regulatory compliance requirements. It supports a wide variety of Source Code Management (SCM) systems, including Git, SVN, TFS, Perforce, CVS, ClearCase, RTC, and more. Collaborator also seamlessly integrates with popular platforms such as GitHub, GitLab, Bitbucket, Jira, Eclipse, Visual Studio, among others. Additionally, real-time updates and threaded chat facilitate ongoing discussions, highlighting changes and defects to enhance visibility during each review. Recognizing that every team and project has its distinct needs, Collaborator provides customizable review templates and checklists to create tailored peer review frameworks that suit specific requirements, ensuring that your review process is as effective and efficient as possible. This flexibility empowers teams to adopt best practices tailored to their individual workflows.

Tailor the code review criteria to reflect the standards that matter most to you, enabling you to sidestep minor bugs and focus on significant issues. This allows for code reviews to be conducted without the constant concern of potential security flaws. Codegrip ensures your code remains private during these automated reviews, allowing you to maintain confidentiality. Stay informed about your project's developments as you receive automatic code quality assessments and pull request alerts in a designated Slack channel of your preference. Manage several projects simultaneously with a centralized dashboard that aggregates all relevant information in one location. Monitor the progress of code quality enhancements over time through straightforward metrics and visual representations. The OWASP framework embodies a collective agreement on the foremost security threats faced by web and mobile applications, providing essential guidance to both developers and security experts regarding the most prevalent and easily exploitable vulnerabilities that can arise in web applications. By following these guidelines, you can enhance your awareness and preparedness against security risks.

Ellipsis can analyze, compose, and respond to inquiries regarding your source code. It leverages advanced language models to provide insightful code reviews, concise summaries, and suggestions that are easy to implement while adhering to your style guide. By simply opening an issue and assigning it to Ellipsis, you can automate the process of fixing bugs and making straightforward modifications. Speed up your development cycle as Ellipsis tackles comments made on pull requests by interpreting them and generating reliable, tested code solutions. Importantly, Ellipsis does not store or learn from your source code and will never make changes to your default branch without your explicit permission, only adding commits or initiating new pull requests when instructed. Furthermore, it enables the creation of multi-file code adjustments based on natural language inputs, including bug reports or feature requests, and assists in answering questions about the codebase throughout the onboarding process, development phases, and during bug triage. This makes it an invaluable tool for enhancing productivity and ensuring code quality in collaborative environments.