TrackingFinder is a project mainly written in JAVA and GROOVY, it's free.
Spider tool which finds tracking/analytics scripts on web pages
Tracking Finder is a program which visits a list of websites and will print a list of tracking scripts present on these websites. Tracking Finder needs gradle to build and run - http://www.gradle.org/
How to run:
gradle run
How to run the tests (it has full unit test coverage)
gradle test.