Serendipity - Serendipity is a PHP-powered weblog engine which gives the user an easy way to maintain a blog.
Coworker Coffee - Coffee with a different coworker each week
Donut Slack Bot - Get matched with a new coffee buddy each week in Slack
Snack - Read all your favorite email subscriptions in one app
Cuely - 1-min guided exercises to stay well all day with reminders
Virus Cafe - Make a friend in 2 minutes