Realm.io - Realm is a mobile platform and a replacement for SQLite & Core Data. Build offline-first, reactive mobile experiences using simple data sync.
InfluxData - Scalable datastore for metrics, events, and real-time analytics.
ObjectBox - ObjectBox empower edge computing with an edge device database and synchronization solution for Mobile & IoT. Store and sync data from edge to cloud.
TimescaleDB - TimescaleDB is a time-series SQL database providing fast analytics, scalability, with automated data management on a proven storage engine.
CompactView - Viewer for Microsoft® SQL Server® CE database files (sdf)
Prometheus - An open-source systems monitoring and alerting toolkit.