CDash is an open source, web-based software testing server.
CDash is an open source, web-based software testing server provided by Kitware. CDash aggregates, analyzes and displays the results of software testing processes submitted from clients located around the world.
CDash is often used along with Kitware's open-source cmake and ctest.
Documentation can be found here.
An example CDash dashboard is Kitware's CMake dashboard which shows aggregated results of tests run against the source code of CMake.