Lunchclub - Curated 1:1 professional connections
Travel Diaries - Create your own travel diary to capture your experiences
Serendipity - Serendipity is a PHP-powered weblog engine which gives the user an easy way to maintain a blog.
Magpie - Female travelers club - meet women like you when you travel
Coworker Coffee - Coffee with a different coworker each week
tripcake - Doodle for travel plans with friends