Lunchclub - Curated 1:1 professional connections
Out of the Ordinary Emails - Exceptional newsletters about creative obsessions
Serendipity - Serendipity is a PHP-powered weblog engine which gives the user an easy way to maintain a blog.
Inside.com - Real news, curated by real humans
Lunch Roulette - Collaboration by grouping coworkers randomly for lunch.
Snack - Read all your favorite email subscriptions in one app