RisingWave

RisingWave is an open-source distributed SQL database for stream processing. It is designed to reduce the complexity and cost of building real-time applications. RisingWave offers users a PostgreSQL-like experience specifically tailored for distributed stream processing. 
Learn more: https://risingwave.com/github.

RisingWave Cloud is a fully managed cloud service that encompasses the entire functionality of RisingWave. By leveraging RisingWave Cloud, users can effortlessly engage in cloud-based stream processing, free from the challenges associated with deploying and maintaining their own infrastructure. 
Learn more: https://risingwave.cloud/.