2nd Vote (free)
2nd Vote is a clever application. Written by conservatives, the application is designed to inform its users so they can cast a second vote, an economic vote, to reinforce their personal political and social views. The app details the political leanings of major corporations: where they invest and what stands they take, for instance, on same sex partner benefits.
You must sign-up for a free account for the app to work. You may want to read this before you sign-up.