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Source Code Review Tools

A hand-picked collection of AI code reviewers, automated static analysis engines, peer review platforms and Git-native workflows for shipping higher-quality, more secure code.

41 topics•6 categories•Updated November 2026

AI Code Review

10 entries

Assistants that review pull requests automatically.

01CodeRabbitAI code review for pull requests, with governance and control features. Wilson Sonsini's notice says CodeRabbit raised a $143 million Series C, announced on 12 August 2026. 02GitHub Copilot code reviewCopilot reviews pull requests inside GitHub. GitHub's changelog says review requests can be made through the REST and GraphQL APIs (2 October 2026), and that the default review effort level changed from Lite to Balanced on 28 September 2026. 03GraphiteCode review platform for stacked pull requests and AI review. Cursor announced its acquisition of Graphite on 19 December 2025, with Graphite to continue as its own product; checks did not find a confirmed closing date. 04GreptileAI code review that understands the whole codebase. 05QodoAI code review and quality platform. 06Cursor BugbotAI code review for pull requests from Cursor. 07SourceryAI code review for teams. 08EllipsisManaged cloud agents, including AI code review. 09KodusOpen-source AI code review. 10CodeAnt AIAgentic security and code review platform.

Automated Static Analysis & Security

7 entries

Automated checks that run on every pull request.

11DeepSourceAI code review platform with static analysis. 12CodacyCode quality and technical debt tracking across many languages. 13SonarQubeCode quality and security analysis in pull requests and pipelines. 14Code ClimateEngineering intelligence platform, originally known for automated code review. 15VeracodeApplication security risk management with static and dynamic analysis. 16EmboldStatic code analysis platform for finding anti-patterns and vulnerabilities. 17Visual ExpertStatic code analyzer for quality and security, strong on database and legacy code.

Peer & Formal Review Platforms

8 entries

Dedicated tools for reviewing changes, with or without a Git host.

18Review BoardCode, image and document review at scale. Review Board release 8.0 was published on GitHub on 9 June 2026. 19SmartBear CollaboratorPeer code and document review for teams. 20ReviewableCode review for GitHub pull requests. 21RhodeCodeCode management for Mercurial, Git and Subversion. 22CodestrikerOpen-source web application for online code review. 23ReviewNBCode review for Jupyter notebooks on GitHub. 24Phabricator (no longer maintained)Suite with the Differential code review tool; its site says it has not been actively maintained since June 2021. 25Atlassian Crucible (end of life)Collaborative code review. Atlassian stopped new sales on 13 May 2025, with support ending on 15 May 2028.

Platform-Native Review & Insights

5 entries

Review built into Git hosts, and analytics on how review works.

26GitHub Code ReviewReview built into every pull request. 27CodeScenePredictive analytics for hidden risks and social patterns in code. 28LinearBEngineering productivity platform with pull request analytics. 29SwarmiaEngineering intelligence platform. 30SourcegraphCode understanding and search across repositories.

Code Review Guides

3 entries

Authoritative guides on reviewing code.

31Google Engineering Practices: Code ReviewGoogle's review guide. 32GitHub Pull Request ReviewsPull request docs. 33Conventional CommentsLabels for review comments.

Code Review Practice & Analysis

4 entries

Guides and analysis tools.

34Best Practices for Peer Code ReviewSmartBear study-based guidance. 35reviewdogPost linter results as review comments. 36Semgrep DocsStatic analysis with custom rules. 37CodeQL DocsSemantic code analysis.

Related Pages

4 entries

Related directories on this site.

38DevOps for IT AgilityDevOps hub. 39Static Code Analysis ToolsStatic analysis tools and linters. 40Source Code RepositoriesSource code hosting platforms. 41Quality AssuranceHub of quality assurance, testing and quality management resources.

Frequently Asked Questions

What is code review?

Code review is the practice of having other people, or automated tools, examine a change before it is merged, to catch defects, security issues and maintainability problems and to share knowledge.

Where does AI fit in?

AI reviewers comment on pull requests automatically, summarising changes and flagging likely bugs. They complement rather than replace human review, and the AI Code Reviewing Tools page lists more.

Which tools are no longer maintained?

Phabricator says it has not been actively maintained since June 2021, and Atlassian has stopped selling Crucible, with support ending in May 2028. They are kept because they were on the original page, with notes.

Peer review platform or Git host review?

Git hosts such as GitHub and GitLab review changes inside pull requests. Dedicated tools such as Gerrit and Review Board suit formal or patch-based workflows and non-Git version control.

Are the links checked?

Links were checked when this page was updated. Codestriker, Phabricator, Crucible and Visual Expert needed a browser check and all loaded.

What changed in GitHub Copilot code review recently?

GitHub's changelog lists API support for requesting reviews through REST and GraphQL, with an optional effort level per request, on 2 October 2026. The default effort level changed from Lite to Balanced on 28 September 2026, and organizations can still select Lite explicitly. A further entry on 8 October 2026 covers new organization billing options and controls.

Which related standards, open tools and references does this page add?

The section 'Code Review Guides' lists Google Engineering Practices: Code Review, GitHub Pull Request Reviews, Gerrit, Conventional Comments. Authoritative guides on reviewing code.

Where can I find more tool directories?

The Software Tools Directory page links to curated directories across AI and ML, DevOps, observability, data, security and developer tooling.

Which additional references does this page add?

The section 'Code Review Practice & Analysis' lists Google Code Review Guide, Best Practices for Peer Code Review, Conventional Comments, reviewdog, Semgrep Docs.

Who owns Graphite now?

Cursor announced on 19 December 2025 that it was acquiring Graphite, the stacked-pull-request and AI review platform, and said Graphite would continue as an independent product. Checks did not find a source confirming the closing date, so check Graphite's own site for current ownership.