| AWS | 7+ | Algomatic, Cybereason, Gunosy, Industry Technology, LayerX, enechain |
| Go | 7+ | Eukarya, Industry Technology, ZUU, enechain, etcd-io/raft, kubernetes/kubernetes, reearth/reearth-flow |
| Datadog | 4-6 | Gunosy, Industry Technology, enechain |
| Google Cloud | 4-6 | Cybereason, Eukarya, Industry Technology, ZUU, enechain |
| gRPC | 4-6 | Cybereason, Industry Technology, enechain |
| Kubernetes | 4-6 | Cybereason, Gunosy, ZUU, enechain, kubernetes/kubernetes |
| MySQL | 4-6 | Gunosy, Industry Technology |
| PostgreSQL | 4-6 | Algomatic, Cybereason, Industry Technology, LayerX, ZUU, enechain |
| Prometheus | 4-6 | Cybereason, Industry Technology, enechain |
| Python | 4-6 | Algomatic, Cybereason, Gunosy, LayerX, The University of Tokyo, University of Colorado Boulder |
| Redis | 4-6 | Cybereason, Eukarya, Industry Technology, LayerX, enechain |
| Terraform | 4-6 | Algomatic, Cybereason, Industry Technology, LayerX, enechain |
| AI/LLM | 1-3 | Algomatic, Industry Technology, LayerX |
| Apache Kafka | 1-3 | Cybereason |
| Apache ZooKeeper | 1-3 | Cybereason |
| Azure | 1-3 | Algomatic, LayerX |
| Elasticsearch | 1-3 | Cybereason, Gunosy, Industry Technology |
| ELK | 1-3 | Cybereason |
| Grafana | 1-3 | Cybereason |
| GraphQL | 1-3 | Algomatic, Cybereason, Eukarya, LayerX, enechain |
| Java | 1-3 | Cybereason, The University of Tokyo, University of Colorado Boulder |
| MongoDB | 1-3 | Algomatic, Cybereason, Eukarya |
| Oracle Cloud | 1-3 | Cybereason |
| Rust | 1-3 | Cybereason, Eukarya, reearth/reearth-flow |