1. VelocityDB：
它是.NET对象数据库，可以嵌入/分发并扩展为图形数据模型(VelocityGraph)。数据库速度快，内存消耗低。 VelocityDB是一个极高性能，易于使用，可伸缩，可嵌入和可分发的对象数据库系统。
2. Yanza：
Yanza开发的是用于IoT(物联网)应用程序的时间序列DBMS。它的服务器操作系统是Window，并支持HTTP API。
VelocityDB和Yanza之间的区别：
| S.NO. | VelocityDB | Yanza |
|---|---|---|
| 1 | Developed by VelocityDB Inc and initially released on 2011 and Current release of VelocityDB is 7.x | Developed by Yanza and initially released on 2015. |
| 2 | Server operating systems of VelocityDB is Any that supports .NET | Server operating systems of Yanza is Windows. |
| 3 | Its primary database model is Graph DBMS and Object oriented DBMS | Its primary database model is Time Series DBMS. |
| 4 | VelocityDB supports .Net programming languages. | Yanza supports any language that supports HTTP calls. |
| 5 | APIs and other access methods of VelocityDB is .Net | Yanza supports HTTP API. |
| 6 | Yes, VelocityDB has a Data Schema. | Data scheme of Yanza is schema-free. |
| 7 | It has Implementation language-C# . | It doesn’t has any Implementation language. |
| 8 | VelocityDB- Transaction concepts is ACID ( Atomicity, Consistency, Isolation, and Durability). | Its doesn’t holds transaction concepts. |
| 9 | Absence of Replication methods | Absence of Replication methods in Yanza. |
| 10 | VelocityDB has Immediate Consistency concept. | Yanza has Immediate Consistency concept. |
| 11 | Sharding is a Partitioning methods of VelocityDB. | It does not has partitioning methods. |