ObjectBox Alternatives (January 2026)

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).

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

Small, fast, reliable database management system Persistent and/or in-memory data storage for edge-cloud, powerful for professional developers

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

Bring AI-native applications to life with less hallucination, data leakage, and vendor lock-in

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

QuestDB is the world's fastest growing open-source time-series database. It offers massive ingestion throughput, millisecond queries, powerful time-series SQL extensions, and scales well with minimal and maximal hardware. Save costs with better performance and efficiency.

The only open source, AI-ready graph database that gives developers the tools to quickly build distributed applications at scale.

Build blazing fast search and AI applications in record time.