InfluxDB is a time series, metrics, and analytics database. It’s written in Go and has no external dependencies. That means once you install it there’s nothing else to manage (such as Redis, ZooKeeper, Cassandra, HBase, or anything else). InfluxDB is targeted at use cases for DevOps, metrics, sensor data, and real-time analytics. It arose from our need for a database like this on more than a few previous products we’ve built. You can read more about our journey from SaaS application to open source time series database.

a modular web console for managing your Java stuff

Sentry is a realtime event logging and aggregation platform. It specializes in monitoring errors and extracting all the information needed to do a proper post-mortem without any of the hassle of the standard user feedback loop.