Stealthy: Secret Messenger - Chat anonymously with friends & strangers
Kaapi - Build happy, high-performing remote teams
Berkanan - Chat with people nearby. Even offline, on an ✈️.
Qualaroo for Slack - Get customer feedback in real time on your Slack channel
HOLLA - Chatroulette for mobile
Startups Anonymous - Anonymously ask questions and share stories. AA for Startups