Creddon - Tweet for a cause and a sponsor will donate $1 to charity
Ninchanese - Learn Chinese with Ninchanese and discover how addictive Chinese can be
UpEffect - Crowdfunding for social good products
Zizzle - Learn Chinese through visual stories
eSolidar - Charity shops and online auctions to support great causes
YiChi - YiChi helps people Speak Mandarin Chinese