649 Open Core Companies

Rank Name Commercializing Stage
1
Modular AI
LLVM, PyTorch, Tensorflow, ONNX, Core ML Tools Venture / Series A
2
RedHat (IBM)
Linux, OpenShift, Kubernetes, Apache Camel, Podman, Ansible, 389 Directory Server, Apache CFX, Apache ActiveMQ Public
2
SUSE
Linux, Rancher, NeuVector, K3s, Harvester Private / Private Equity
2
Rocky Linux
Linux Private / SMB
5
Microsoft
OpenShift, Kubernetes, PostgreSQL, MariaDB, Apache Cassandra, Redis, Jupyter Notebook, MySQL, Citus Public
5
AWS / Amazon
OpenShift, Grafana, MongoDB, Apache Airflow, Prometheus, Kubernetes, Apache Spark, Apache Kafka, Apache Flink, Presto, OpenSearch, PostgreSQL, Apache Cassandra, Redis, AWS OpenTelemetry (OTEL), Apache TinkerPop, Jupyter Notebook, FreeRTOS, MySQL Public
5
IBM
OpenShift, Kubernetes, Calico, containerd, cri-o, Jupyter Notebook, runc Private / SMB
8
Tembo
Rust, vLLM, PostgreSQL, Tembo, pgmq, Trunk (Postgres), pgvector, pg_vectorize, pg_auto_dw, Tembo Self Hosted, pg_tier Venture / Series A
9
Yandex
PyTorch, ClickHouse, Tensorflow, YDB, Elasticsearch, Kubernetes, Gitlab, Apache Kafka, Apache Hadoop, PostgreSQL, Apache Hive, Apache HBase, Jupyter Notebook, Apache Zepplin, MySQL, Greenplum Database Public
10
Odoo
Odoo Private / Private Equity
11
ClickHouse
ClickHouse Venture / Series B
11
Aiven
ClickHouse, Grafana, Apache Kafka, Apache Flink, OpenSearch, PostgreSQL, Apache Cassandra, Redis, InfluxDB, MySQL, M3 Venture / Series D+
11
Altinity
ClickHouse Venture / Seed
11
ChistaData
ClickHouse Venture / Seed
15
W4 Games
Godot Venture / Seed
16
Lightstep
OpenTelemetry (OTEL) Venture / Series C
16
Helios
OpenTelemetry (OTEL) Venture / Seed
16
Timescale
OpenTelemetry (OTEL), Prometheus, PostgreSQL, TimescaleDB Venture / Series C
16
Mezmo
OpenTelemetry (OTEL) Venture / Series D+
16
ObservIQ
OpenTelemetry (OTEL), BindPlane OP Venture / Seed