Lunchclub - Curated 1:1 professional connections
Virus Cafe - Make a friend in 2 minutes
ChitterChat - Speak to 1 new person every week
Voice Roulette - Talk to strangers, maybe meet your next best internet friend
Donut Slack Bot - Get matched with a new coffee buddy each week in Slack
Serendipity - Serendipity is a PHP-powered weblog engine which gives the user an easy way to maintain a blog.