Send Mail Get Mail - A postcard-sending website.
eSolidar - Charity shops and online auctions to support great causes
Dollar A Day - Automatically donate $1 a day to featured nonprofits.
UpEffect - Crowdfunding for social good products
Ecosia - Ecosia is a green search engine that donates at least 80% of its profits from search ad revenue and...
Give A Dime - Donate change from each CC purchase by rounding up to the $