Tor Status is a web application to discover Tor relays and bridges. It provides useful information on how relays are configured along with graphics about their past.
You need to have Python and Tornado installed to run the web server locally. The easiest way of installing Tornado is:
sudo easy_install tornado
Once that is done, you can run the server with the following command:
python run.py
After which, the Atlas site will be available on http://localhost:8888/index.html