643 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, Apache CFX, 389 Directory Server, Apache ActiveMQ Public
2
SUSE
Linux, Rancher, NeuVector, K3s, Harvester Private / Private Equity
2
Rocky Linux
Linux Private / SMB
5
Microsoft
OpenShift, Kubernetes, Apache Cassandra, PostgreSQL, Redis, MariaDB, Citus, Jupyter Notebook, MySQL Public
5
AWS / Amazon
OpenShift, Grafana, MongoDB, Apache Airflow, Apache Spark, Kubernetes, Prometheus, Apache Flink, Presto, Apache Kafka, OpenSearch, Apache Cassandra, PostgreSQL, Redis, AWS OpenTelemetry (OTEL), Apache TinkerPop, Jupyter Notebook, FreeRTOS, MySQL Public
5
IBM
OpenShift, Kubernetes, containerd, Calico, cri-o, Jupyter Notebook, runc Private / SMB
8
Tembo
Rust, PostgreSQL, Trunk (Postgres), Tembo Stacks, pgmq Venture / Seed
9
Yandex
PyTorch, ClickHouse, Tensorflow, YDB, Elasticsearch, Kubernetes, Gitlab, Apache Kafka, Greenplum Database, Apache Hadoop, Apache Hive, Apache HBase, PostgreSQL, Jupyter Notebook, Apache Zepplin, MySQL Public
10
ClickHouse
ClickHouse Venture / Series B
10
Aiven
ClickHouse, Grafana, Apache Flink, Apache Kafka, OpenSearch, Apache Cassandra, PostgreSQL, Redis, InfluxDB, MySQL, M3 Venture / Series D+
10
Altinity
ClickHouse Venture / Seed
10
ChistaData
ClickHouse Venture / Seed
14
Ivy
Ivy Venture / Series A
15
Grafana Labs
Grafana, Prometheus, Grafana Mimir, Grafana Loki, Grafana Tempo, Cortex for Prometheus, Grafana Faro Web SDK, Grafana Phlare Venture / Series D+
15
Plural
Grafana, Apache Airflow, Elasticsearch, Sentry, Apache Spark, Airbyte, Gitlab, Vault, Ghost, Filecoin, Renovate, Istio, Dagster, Grafana Loki, Apache Kafka, Apache Superset, Argo CD, Cal.com, Kyverno, MLFlow, Metabase, Argo Workflows, Hasura GraphQL Engine, etcd, Rook, NocoDB, MinIO, Chatwoot, Crossplane, RabbitMQ, Knative Serving, PostgreSQL, Redis, OpenCost (Formerly KubeCost), Bootstrap, Oauth2 Proxy, vaultwarden, Kubeflow, ORY Hydra, Plural, kratos, InfluxDB, MySQL, Jitsu, dex, Goldilocks
17
W4 Games
Godot Venture / Seed
18
Lightstep
OpenTelemetry (OTEL) Venture / Series C
18
Helios
OpenTelemetry (OTEL) Venture / Seed
18
Timescale
OpenTelemetry (OTEL), Prometheus, PostgreSQL, TimescaleDB Venture / Series C