UpEffect - Crowdfunding for social good products
LetsLunch - Do more with your lunch hour. Meet new people.
Tickr - TICKR is GTK-based RSS READER application which displays RSS FEEDS in a TICKER bar on your desktop.
Over a call - Meet new people every week over 10 min calls
Creddon - Tweet for a cause and a sponsor will donate $1 to charity
The Breakfast - Bring new awesome people to your life