InfluxData - Scalable datastore for metrics, events, and real-time analytics.
Houseparty - Brining empathy to online communication.
TimescaleDB - TimescaleDB is a time-series SQL database providing fast analytics, scalability, with automated data management on a proven storage engine.
Booyah - Video chat with up to 12 friends at the same time.
Prometheus - An open-source systems monitoring and alerting toolkit.
Slack - A messaging app for teams who see through the Earth!