ReviewNinja is an open-source code review tool built around GitHub pull requests, with inline feedback and review-status workflows for development teams. The project is no longer actively maintained, making it mainly relevant to teams evaluating legacy or self-hosted workflows.
💡 Pick it for the most complete, actively maintained GitHub-native replacement with broad integrations.
GitHub is a web-based platform for version control using Git. It offers features such as code review, issue tracking, and project management.
Starting from free for public repositories, paid plans for private repositories
💡 Pick it if you want code review, CI/CD, and security features in one hosted or self-managed platform.
GitLab is a web-based DevOps lifecycle tool that provides a Git repository manager providing wiki, issue-tracking, and continuous integration and deployment pipeline...
Free tier available, paid plans starting at $4 per user per month
💡 Pick it if your team already uses Jira and wants repository hosting with integrated pull-request reviews.
Bitbucket is a Git and Mercurial version control system that helps teams collaborate on code.
Free for up to 5 users, paid plans start at $3/user/month
💡 Pick it for rigorous, self-hosted code-review gates and granular approval policies at engineering scale.
Gerrit is a web-based code review tool for Git repositories.
Free and open-source
💡 Pick it if you need structured pull-request policies tied to work tracking and Microsoft-oriented CI/CD.
Azure DevOps is a cloud service for collaborating on code development. It provides version control, agile planning, build and release automation, and...
Starting at $6 per user per month
💡 Pick it for a focused, open-source, self-hosted review system that supports more than GitHub workflows.
Review Board is a web-based collaborative code review tool for software projects.
Free and open-source
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