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。
openGauss kernel ~ openGauss is an open source relational database management system.
快速 KV 存储，兼容 LSM 和 B+ Tree
CockroachDB is a cloud-native distributed SQL database designed to build, scale, and manage modern, data-intensive applications.
TiKV is an open-source, distributed, and transactional key-value database
AliSQL is a MySQL branch originated from Alibaba Group. Fetch document from Release Notes at bottom.
一个基于B+ Tree的简单KV数据库。这不是一个实用的项目，主要目的是学习B+ Tree的应用。
ClickHouse is an open-source column-oriented database management system that allows generating analytical data reports in real time.
