KWDB 是一款面向 【AIoT 场景】的【分布式多模数据库】，支持在同一实例同时建立时序库和关系库并融合处理多模数据，具备千万级设备接入、百万级数据秒级写入、亿级数据秒级读取等时序数据高效处理能力，具有稳定安全、高可用、易运维等特点。
polardbx-engine is a MySQL branch originated from Alibaba Group, especially supports large-scale distributed database system.
A cloud-native database based on PostgreSQL developed by Alibaba Cloud.
He3PG是中移（苏州）软件技术有限公司基于PG专为He3DB打造的高性能数据库计算引擎。
OceanBase is an enterprise distributed relational database with high availability, high performance, horizontal scalability and compatibility with SQL standards.
