Creddon - Tweet for a cause and a sponsor will donate $1 to charity
Stealthy: Secret Messenger - Chat anonymously with friends & strangers
UpEffect - Crowdfunding for social good products
Berkanan - Chat with people nearby. Even offline, on an ✈️.
eSolidar - Charity shops and online auctions to support great causes
HOLLA - Chatroulette for mobile