645 Open Core Companies

Rank Name Commercializing Stage
18
OpenTelemetry (OTEL) Venture / Series D+
18
OpenTelemetry (OTEL), BindPlane OP Venture / Seed
23
Backstage, Kubernetes, Spring Framework, Spring Boot, Greenplum Database, 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, Juju, PostgreSQL, Kubeflow, Charmed Operators, MySQL Private / SMB
26
MongoDB, Elasticsearch, Kubernetes, OceanBase, Apache Kafka, OpenSearch, Greenplum Database, RabbitMQ, Apache HBase, Redis, PostgreSQL, Apache RocketMQ, MariaDB, InfluxDB, MySQL, PolarDB for PostgreSQL Public
26
MongoDB, Kubernetes, Redis, PostgreSQL Public
26
MongoDB, Greenplum Database, Redis, PostgreSQL, MySQL Private / SMB
26
MongoDB, PostgreSQL, MariaDB, MySQL Private / SMB
26
MongoDB, Kubernetes, PostgreSQL, MySQL Public
33
Wireguard Venture / Series B
34
Apache Airflow, OpenLineage, Astro (from Astronomer), Astronomer Cosmos, Marquez, Astronomer, Astro Databricks Venture / Series C
34
Apache Airflow, Kubernetes, Chromium, Apache Beam, Flutter, PostgreSQL, Jupyter Notebook Public
34
Apache Airflow, Apache Superset, Meltano Venture / Seed
34
Apache Airflow, Apache Spark, Apache Kafka, Apache Hadoop, Apache Hive Private / Private Equity
34
Apache Airflow Venture / Seed
34
Apache Airflow, Apache Spark, Delta Lake Venture / Series A
34
Apache Airflow, Apache Spark, Prometheus, Trino, Apache Kafka, Apache Superset, Apache Druid, Apache Nifi, Apache Hadoop, Open Policy Agent (OPA), Apache Hive, Apache HBase, Apache Zookeeper Venture / Seed