Review Board vs Codegrip: What are the differences?
Review Board: Stress-free code review for teams of all sizes. Review Board is an open source, web-based code and document review tool built to help companies, open source projects, and other organizations keep their quality high and their bug count low; Codegrip: Automated Code Review Tool. It is an automated SaaS platform that helps developers to save time in code reviews and to tackle technical debt efficiently. It makes code review easier, instant, secure and cost friendly.
Review Board and Codegrip can be categorized as "Code Review" tools.
Review Board is an open source tool with 1.25K GitHub stars and 371 GitHub forks. Here's a link to Review Board's open source repository on GitHub.