647 Open Core Companies

Rank Name Commercializing Stage
1
LLVM, PyTorch, Tensorflow, ONNX, Core ML Tools Venture / Series A
2
OpenShift, Linux, Kubernetes, Apache Camel, Podman, Ansible, Apache CFX, Apache ActiveMQ, 389 Directory Server Public
2
OpenShift, Kubernetes, Apache Cassandra, PostgreSQL, Redis, MariaDB, Jupyter Notebook, Citus, MySQL Public
2
OpenShift, Grafana, MongoDB, Apache Airflow, Apache Spark, Kubernetes, Prometheus, Apache Kafka, Apache Flink, OpenSearch, Presto, Apache Cassandra, PostgreSQL, AWS OpenTelemetry (OTEL), Redis, Jupyter Notebook, Apache TinkerPop, FreeRTOS, MySQL Public
2
IBM
OpenShift, Kubernetes, Calico, containerd, cri-o, runc, Jupyter Notebook Private / SMB
6
Rust, PostgreSQL, Tembo, pgvector, Trunk (Postgres), pgmq, pg_tier, pg_vectorize, Tembo Self Hosted, pg_auto_dw Venture / Series A
7
PyTorch, ClickHouse, Tensorflow, YDB, Elasticsearch, Kubernetes, Gitlab, Apache Kafka, Greenplum Database, Apache Hadoop, Apache Hive, Apache HBase, PostgreSQL, Jupyter Notebook, Apache Zepplin, MySQL Public
8
Linux, Rancher, NeuVector, K3s, Harvester Private / Private Equity
8
Linux Private / SMB
10
Godot Venture / Seed
11
ClickHouse Venture / Series B
11
ClickHouse, Grafana, Apache Kafka, Apache Flink, OpenSearch, Apache Cassandra, PostgreSQL, Redis, InfluxDB, MySQL, M3 Venture / Series D+
11
ClickHouse Venture / Seed
11
ClickHouse Venture / Seed
15
OpenTelemetry (OTEL) Venture / Series C
15
OpenTelemetry (OTEL) Venture / Seed
15
OpenTelemetry (OTEL), Prometheus, PostgreSQL, TimescaleDB Venture / Series C
15
OpenTelemetry (OTEL) Venture / Series D+
15
OpenTelemetry (OTEL), BindPlane OP Venture / Seed
20
Odoo Private / Private Equity