647 Open Core Companies

Rank Name Commercializing Stage
21
Grafana, Prometheus, Grafana Mimir, Grafana Loki, Grafana Tempo, Cortex for Prometheus, Grafana Faro Web SDK, Grafana Phlare Venture / Series D+
21
Grafana, Apache Airflow, Elasticsearch, Apache Spark, Sentry, Airbyte, Gitlab, Vault, Renovate, Dagster, Apache Kafka, Grafana Loki, Apache Superset, Filecoin, Istio, Metabase, Argo CD, Ghost, NocoDB, MLFlow, Cal.com, etcd, MinIO, Kyverno, Crossplane, Rook, Argo Workflows, Chatwoot, Hasura GraphQL Engine, RabbitMQ, PostgreSQL, OpenCost (Formerly KubeCost), Knative Serving, Redis, InfluxDB, kratos, vaultwarden, dex, Bootstrap, ORY Hydra, Oauth2 Proxy, Jitsu, MySQL, Kubeflow, Plural, Goldilocks
23
Backstage, Kubernetes, Spring Framework, Greenplum Database, Spring Boot, Open vSwitch, Cloud Foundry BOSH Public
23
Backstage Venture / Series A
25
Kibana, Elasticsearch, Kubernetes Public
26
MongoDB Public
26
MongoDB, Blender, OpenStack, Kubernetes, Apache Kafka, OpenSearch, Apache Cassandra, PostgreSQL, Juju, Charmed Operators, MySQL, Kubeflow Private / SMB
26
MongoDB, Elasticsearch, Kubernetes, OceanBase, Apache Kafka, OpenSearch, Greenplum Database, RabbitMQ, Apache HBase, PostgreSQL, Apache RocketMQ, Redis, InfluxDB, MariaDB, MySQL, PolarDB for PostgreSQL Public
26
MongoDB, Kubernetes, PostgreSQL, Redis Public
26
MongoDB, Greenplum Database, PostgreSQL, Redis, MySQL Private / SMB
26
MongoDB, PostgreSQL, MariaDB, MySQL Private / SMB
26
MongoDB, Kubernetes, PostgreSQL, MySQL Public
33
Apache Airflow, OpenLineage, Astro (from Astronomer), Astronomer Cosmos, Marquez, Astronomer, Astro Databricks Venture / Series C
33
Apache Airflow, Kubernetes, Chromium, Apache Beam, Flutter, PostgreSQL, Jupyter Notebook Public
33
Apache Airflow, Apache Superset, Meltano Venture / Seed
33
Apache Airflow, Apache Spark, Apache Kafka, Apache Hadoop, Apache Hive Private / Private Equity
33
Apache Airflow Venture / Seed
33
Apache Airflow, Apache Spark, Delta Lake Venture / Series A
33
Apache Airflow, Apache Spark, Prometheus, Trino, Apache Kafka, Apache Superset, Apache Nifi, Apache Druid, Apache Hadoop, Open Policy Agent (OPA), Apache Hive, Apache HBase, Apache Zookeeper Venture / Seed
40
WSO2 Venture / Series D+