Companies - OSSRank

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