A potentially very open source tool out of MIT to help with mapping supply chains for products. I like the idea of making it a crowd-sourcing exercise - there's no overall economic gain if everyone reproduces the same work.
Sourcemap: http://www.sourcemap.org/beta/stage/index.php
Citizen Engineer: A Handbook for Socially Responsible Engineering
This site is licensed under a Creative Commons Attribution Noncommercial Share Alike 3.0 United States License.