Best Free Code Review Tools - Page 2

Pulldog is a native macOS application designed to simplify and streamline code review workflows by allowing developers to review pull requests from their teams directly within a dedicated desktop client. It connects to both GitHub and GitLab, enabling users to monitor and review pull requests across multiple repositories and accounts from a single interface instead of navigating numerous browser tabs. Pulldog is built entirely using modern Apple technologies and is optimized to integrate deeply with the macOS ecosystem, providing support for features such as Spotlight actions, widgets, and system shortcuts that help developers access and manage code reviews more efficiently in their daily workflow. It aggregates pull requests into a unified environment where users can track changes, review code updates, and monitor pipeline status while maintaining focus on the review process itself.

LaReview is a local-first, open source code review workbench designed to transform pull requests and code diffs into structured, high-signal review workflows that prioritize understanding over noise. It takes a GitHub or GitLab PR or raw diff as input and uses AI coding agents to generate a clear review plan that organizes changes by flows, risks, and intent, allowing developers to review code in a deliberate and meaningful order rather than scrolling through files. It emphasizes a reviewer-first approach, helping engineers plan their review before commenting, and focuses on delivering actionable feedback instead of producing large volumes of low-value comments. It includes AI-powered planning that analyzes code like a staff engineer, identifying hazards and building structured checklists, along with task-focused review views that group work by logical flows and highlight risk through features like file heatmaps.

Maximize your throughput and only release clean code SonarQube Cloud (formerly SonarCloud) automatically analyzes branches and decorates pull requests. Catch tricky bugs to prevent undefined behavior from impacting end-users. Fix vulnerabilities that compromise your app, and learn AppSec along the way with Security Hotspots. With just a few clicks you're up and running right where your code lives. Immediate access to the latest features and enhancements. Project dashboards keep teams and stakeholders informed on code quality and releasability. Display project badges and show your communities you're all about awesome. Code Quality and Code Security is a concern for your entire stack, from front-end to back-end. That’s why we cover 24 languages including Python, Java, C++, and many others. Transparency makes sense and that's why the trend is growing. Come join the fun, it's entirely free for open-source projects!

Read old and new versions of files with syntax highlighting and colored differences. Discuss specific sections with others to make the right changes. Gerrit includes Git-enabled SSH and HTTPS servers compatible with all Git clients. Simplify management by hosting many Git repositories together. Schedule git gc over all managed repositories and replicate to geographical mirrors for latency reduction and backup servers for hot spare redundancy. Gerrit Code Review can be extended and further customized by installing server-side plugins. Source code for additional plugins can be found through the project listing.

Get a glance at code quality for the whole project, recent commits, and the most problematic files. CodeFactor will track new and fixed issues for every commit and pull request. CodeFactor will try to show the most critical issues first based on issue code size, file change frequency, and file size so you can start fixing only what's important. Create and track issues or comments directly from code files or project issues pages. CodeFactor will update the status for GitHub or Bitbucket pull requests as well. CodeFactor allows you to toggle inspection for any repository branch on the fly. CodeFactor integrates with Slack to send code quality notifications for every commit in a branch or pull request. To install, go to the repository settings page. Straightforward pricing based on private repository number. Plain and simple with no hidden fees. Seamless integration into your workflow.

Customize the code review rule sets to align with the standards you want to follow. Automatically avoid bugs that are not important to you so that you can concentrate on what matters. Perform code reviews without worrying about the security of your code. Codegrip does not store any of your code while performing automated code reviews. Always stay updated about the progress of your project. Get code quality reports and pull request notifications automatically in a Slack channel of your choice. Manage multiple projects with a dashboard view that provides all information in one place. Track the improvement in code quality over time with the help of easy-to-understand parameters and graphs. OWASP represents a broad consensus about the most critical security risks to web and mobile applications. It also guides developers and security professionals on the most critical vulnerabilities that are commonly found in web applications, which are also easy to exploit.

Codeball is a code review AI that scores pull requests on a grade from 0 (needs careful review) to 1. Use Codeball to add labels to help you focus, auto-approve PRs, and more. The Codeball action is easy to use (sane defaults) and is highly customizable to fit your workflow when needed. Label PRs when you should review them with caution. Stay sharp, don't let the bugs pass through. Identifies and approves or labels safe PRs. Save time by fast-tracking PRs that are easy to review. Fully customizable and programmable with GitHub Actions. Codeball Actions are built on multiple smaller building blocks, that are heavily configurable through GitHub Actions. Codeball uses a deep learning model that has been trained on over 1 million Pull Requests. For each contribution, it considers hundreds of inputs. Codeball is optimized for precision, which means it only approves contributions that it's really confident in.

Deliver on time; on/under budget. RhodeCode enables you to code faster, test harder, reduce bugs, and apply best practices across the firm's code base. Secure your team & assets behind-the-firewall. Share the same secure platform with our customers in defense, fin-tech, & other highly secure use cases. Leverage your team & investments better, so you can deliver on your roadmap. Unlock value from legacy apps & teams wastefully isolated from your new, agile projects. We've integrated great support for SVN. You have a no-compromise path to Git, while extracting ongoing value from your SVN apps and tools for years to come. Deliver outstanding results, faster. Develop software in a collaborative environment that fosters innovation, drives projects forward, enables you to track and allocate developer resources better. Large scale, global development teams require secure, yet highly performant, SCM solutions. RhodeCode's mission is to exceed the requirements.

AI-powered pull request reviewer with deep contextual insights, tailored feedback, and one-click automated setup. Callstack.ai PR Reviewer saves you time and lowers error risk with automatic PR summaries, security & bug checks, and performance optimization suggestions. Automatic PR Summaries
Understand code changes quickly with auto-generated summaries and diagram. Context-Aware Feedback
Callstack.ai aligns with your team’s coding standards by understanding the core structure of your code for context-driven insights. Customizable Reviews Tailor Callstack.ai to provide feedback that aligns with your unique coding standards and requirements. Compatible with Major Programming Languages
We currently support repositories written in the following languages: javascript, typescript, python, java, kotlin, php, go, ruby, rust, react & vue.

Reviu is a native desktop Git client built for fast review workflows. The free version covers local Git: review diffs in inline or split mode, stage and restore by file or hunk, commit, amend, branch, rebase, cherry-pick, stash, and resolve conflicts, all from a keyboard-first UI with a command palette. Reviu Pro adds GitHub directly in the app: notifications, repository browsing (overview, readme, code, pull requests, issues), and full pull request review with inline comments, approvals, checks, and merge flows. Built with Rust and GPUI for native performance. No Electron, no webview.