Spinnaker is an open source, multi-cloud continuous delivery platform for releasing software changes with high velocity and confidence.

Synthetic Patient Population Simulator

Web UI for PrestoDB.

Apache Polaris, the interoperable, open source catalog for Apache Iceberg

Scheduler (HTTP API and webapp) for running Mesos tasks—long running processes, one-off tasks, and scheduled jobs. #hubspot-open-source

Automation of Interactive Brokers TWS. You can download the latest release here: https://github.com/ib-controller/ib-controller/releases/latest

Library and tools for advanced feature engineering

Examples of how to use Cloud Bigtable both with GCE map/reduce as well as stand alone applications.

Entity resolution for Elasticsearch.

Bitstamp real time console based limit order book

Example of Now Deprecated Native Script Plugin for Elasticsearch