Aiven

Aiven is a Finnish managed open-source data platform headquartered in Helsinki, founded in 2016. It runs production-ready PostgreSQL, Apache Kafka, OpenSearch, ClickHouse, Valkey/Redis, Cassandra and other data services on AWS, Google Cloud, Azure, DigitalOcean and UpCloud, backed by a 99.99% SLA and integrated observability. Aiven targets development teams that want managed open-source databases without vendor lock-in. The company has raised around $420M from Atomico, IVP, Earlybird, Eurazeo and Salesforce Ventures and is valued at roughly $3 billion.