nosql

ScyllaDB is a high-performance NoSQL database that is API-compatible with Apache Cassandra and Amazon DynamoDB. It uses a shared-nothing approach to increase throughput and storage capacity, delivering order-of-magnitude performance improvements.

Apache HBase is an open-source, distributed, versioned, column-oriented database modeled after Google's Bigtable. It provides Bigtable-like capabilities on top of Apache Hadoop for handling massive datasets with billions of rows and millions of columns.

Cloud Bigtable is Google's fully managed, scalable NoSQL database service designed for large analytical and operational workloads. It powers many Google services including Search, Analytics, Maps and Gmail.