Review Board

Review Board is a web-based review tool designed to help projects and companies
keep track of pending code changes and make reviews of code, graphics, and more
much less painful and time-consuming. It's generic enough to use in any
project, and works at companies and organizations of any size.

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

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