Creddon - Tweet for a cause and a sponsor will donate $1 to charity
UpEffect - Crowdfunding for social good products
TAP London - Tackling the homeless problem together
Tickr - TICKR is GTK-based RSS READER application which displays RSS FEEDS in a TICKER bar on your desktop.
Wheelys Dreams - Crowdfunding for making dreams become real
Dollar A Day - Automatically donate $1 a day to featured nonprofits.