A handy lookup table of similar technology and services to help ex-fbers survive the real world :) pull-requests very welcomed. Please do not list any confidential projects! Inspired and forked from the ex-googler project: https://github.com/jhuangtw-dev/xg2xg Technology Core Services FB Internal Open Source Commercial / Proprietary Scuba Kibana, ElasticSearch Datadog Logs, Scribe Kafka AWS Kinesis ODS Datadog, Prometheus, librato, newrelic Thrift Thrift Bolt , gRPC SMC (Service Discovery) Apache Zookeeper, etcd, HashiCorp Consul Gatekeeper Flagsmith Deltoid Optimizely, StatiSig (former fb founders General Infrastructure FB Internal FB External Open Source / Real-World Tupperware Kubernetes, Apache Mesos, HashiCorp Nomad Proxygen (L7LB) ELB, HAProxy, Istio, F5, envoy, Traefik Open Compute Hardware open compute Katran (L4LB) fbpkg FBAR fbagent Core Data / Databases / Caching FB Internal FB External Open Source / Real-World Gluster HDFS RocksDB MySQL ZippyDB RocksDB Memcache TAO Data Warehouse FB Internal FB External Open Source / Real-World Spark HDFS Hive Hipal Presto RocksDB Dev Experience FB Internal FB External Open Source SaaS Sandcastle Phabricator buck Security FB Internal FB External Real-World Productivity Tools FB Internal FB External Open Source / Real-World pxlcld bunnylol IRC Slack fburl