Gerrit Code Review vs Review Board: What are the differences?
Gerrit Code Review: OpenSource Git Code Review Tool. Gerrit is a self-hosted pre-commit code review tool. It serves as a Git hosting server with option to comment incoming changes. It is highly configurable and extensible with default guarding policies, webhooks, project access control and more; 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.
Gerrit Code Review and Review Board can be categorized as "Code Review" tools.
Review Board is an open source tool with 1.19K GitHub stars and 359 GitHub forks. Here's a link to Review Board's open source repository on GitHub.