1. Google

• Kubernetes
• TensorFlow
• Go
• Angular

2. Meta

• React
• PyTorch
• GraphQL
• Cassandra

3. Microsoft

• VSCode
• TypeScript
• Playwright

4. Netflix

• Chaos Monkey
• Hystrix
• Zuul

5. LinkedIn

• Kafka
• Samza
• Pinot

6. RedHat

• Ansible
• OpenShift
• Ceph Storage