MongoDB - MongoDB (from "humongous") is a scalable, high-performance NoSQL database.
ObjectBox - ObjectBox empower edge computing with an edge device database and synchronization solution for Mobile & IoT. Store and sync data from edge to cloud.
CompactView - Viewer for Microsoft® SQL Server® CE database files (sdf)
HSQLDB - hsqldb: Full-featured 100% Java ORDBMS
Microsoft SQL Server Compact - Bring Microsoft SQL Server 2017 to the platform of your choice. Use SQL Server 2017 on Windows, Linux, and Docker containers.
VoltDB - In-memory relational DBMS capable of supporting millions of database operations per second