ExtremeDB Alternatives (January 2026)

The Oracle Berkeley DB family of open source, embeddable databases provides developers with fast, reliable, local persistence with zero administration. Often deployed as an 'edge' database, Oracle Berkeley DB provides very high performance, reliability, scalability, and availability for application use cases that do not require SQL

Our NoSQL Object Database manages data without the need for mapping code to store & retrieve objects in Java & C++ applications.

HarperDB's global application platform simplifies development with one package that includes a lightning-fast database, embedded API server, and real-time global data replication. Deploy from cloud to edge to on-prem.

High-speed & lightweight database solution which securly stores your data privatly on-device and syncs it seamless to millions of devices

VelocityDB is an easy to use, extremely high performance, scalable, embeddable and distributable object database system with indexes for C# .NET applications with a small footprint (~ 600KB).

Toshiba GridDBâ„¢ is a highly scalable, in-memory NoSQL time series database optimized for IoT and Big Data.

RocksDB is an embeddable persistent key-value store for fast storage.

Rapidly design and deploy embedded database applications that run remotely on servers, laptops, handhelds, and smartphones with SAP SQL Anywhere relational database management system (RDBMS) solutions.

ArangoDB is the leading multi-model database for high-performance applications. Try it now for flexible data modeling and efficient querying.