AIFE for Virtual Reality - Launch a Virtual Reality experience (and more) in 60 seconds
Lunchclub - Curated 1:1 professional connections
Supercraft - Build VR Sites with Your Hands
Serendipity - Serendipity is a PHP-powered weblog engine which gives the user an easy way to maintain a blog.
VeeR VR - Global VR video community
Lunch Roulette - Collaboration by grouping coworkers randomly for lunch.