1. YugabyteDB：
YugabyteDB 是开源、云原生、高性能的分布式 SQL 数据库全球分布式文档存储。它旨在使应用程序变得敏捷。 Yugabyte 总部位于加利福尼亚州桑尼维尔。 YugabyteDB 作为 Apache 2.0 开源项目进行分发和开发。
2.燕扎：
Yanza 是用于物联网 (IoT) 应用程序的时间序列 DBMS，由 Yanza 开发。其服务器操作系统为Window，支持HTTP API。
Yanza 和 YugabyteDB 的区别：
| S.No. | YugabyteDB | Yanza |
|---|---|---|
| 1 | Developed by Yugabyte Inc. and initially released on 2017 and current release on March 2020. | Developed by Yanza and initially released on 2015. |
| 2 | Server operating systems of YugabyteDB is Linux, OS X. | Server operating systems of Yanza is Windows. |
| 3 | Its primary database model is Relational DBMS. | Its primary database model is Time Series DBMS. |
| 4 | It supports C, C#, C++, Go, Java, JavaScript (Node.js), Python, Ruby programming languages. | It supports any language that supports HTTP calls. |
| 5 | It supports YCQL, an SQL-based flexible-schema API with its roots in Cassandra Query Language. | It supports HTTP API. |
| 6 | Data scheme of YugabyteDB is depending on used data model. | Data scheme of Yanza is schema-free. |
| 7 | It supports Typing and Secondary indexes. | It does not supports Typing and Secondary indexes. |
| 8 | Implementation language of YugabyteDB is C and C++. | It doesn’t has any Implementation language. |
| 9 | It has strong consistency on writes and unable consistency on reads. | It has Immediate Consistency concept. |
| 10 | It has Foreign keys. | It does not has Foreign keys. |