Best On-Premises Embedded Database Systems of 2026

Ditto is a revolutionary embedded database tailored for mobile and edge computing devices, transcending conventional local storage solutions. Unlike standard embedded databases that function independently, Ditto features integrated peer-to-peer synchronization and edge-aware connectivity, allowing devices to exchange data seamlessly without the need for a central server or continuous internet availability. At the heart of Ditto lies a CRDT-based (Conflict-Free Replicated Data Type) engine, which ensures robust eventual consistency across distributed nodes, even in scenarios where devices are offline, partitioned, or primarily designed for mobile use. This capability enables developers to create highly resilient and collaborative applications, ensuring that data remains local while automatically syncing across devices as connectivity is established. Ditto simplifies the intricacies of connectivity through dynamic, channel-agnostic discovery. Devices utilizing Ditto can form spontaneous mesh networks via Bluetooth, peer-to-peer Wi-Fi, LAN, cellular, or a combination of these technologies, enabling real-time synchronization of data changes.

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What makes eXtremeDB platform independent? - Hybrid storage of data. Unlike other IMDS databases, eXtremeDB databases are all-in-memory or all-persistent. They can also have a mix between persistent tables and in-memory table. eXtremeDB's Active Replication Fabric™, which is unique to eXtremeDB, offers bidirectional replication and multi-tier replication (e.g. edge-to-gateway-to-gateway-to-cloud), compression to maximize limited bandwidth networks and more. - Row and columnar flexibility for time series data. eXtremeDB supports database designs which combine column-based and row-based layouts in order to maximize the CPU cache speed. - Client/Server and embedded. eXtremeDB provides data management that is fast and flexible wherever you need it. It can be deployed as an embedded system and/or as a clients/server database system. eXtremeDB was designed for use in resource-constrained, mission-critical embedded systems. Found in over 30,000,000 deployments, from routers to satellites and trains to stock market world-wide.