Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Lunchclub - Curated 1:1 professional connections
Berkanan - Chat with people nearby. Even offline, on an ✈️.
Serendipity - Serendipity is a PHP-powered weblog engine which gives the user an easy way to maintain a blog.
ShareAccount - Share your account without giving out your password
Coworker Coffee - Coffee with a different coworker each week