Review Board

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.

We began writing Review Board in 2006 to fill a hole in the code review market.
We wanted something open source that could be flexible enough to work with a
variety of workflows, and could take the pain out of the code review process.

Today, it's a vital part of the development process at thousands of projects
and companies, ranging from small startups of two people to enterprises of
thousands.

Information on usage and installation can be found on
https://www.reviewboard.org/docs/manual/latest/

General information on the project is available on
https://www.reviewboard.org/