Best Open Source MongoDB Alternatives

Distributed SQL database combining OLTP and OLAP capabilities, offering horizontal scalability, high availability, and real-time analytics.

High-performance database optimized for collecting, storing, and analyzing time-stamped data in real-time across cloud, on-premises, or edge environments.

Purpose-built database for Industry 4.0 and IoT that enables real-time ingestion, storage, and analysis of massive sensor data with high compression

Extend PostgreSQL for time-series data with automatic partitioning, scalable ingestion, and advanced analytics for mission-critical applications.

Open-source time-series database offering massive ingestion throughput, millisecond queries, and SQL extensions, designed for optimal performance at any hardware scale.

Turso provides a simple developer experience with SQLite compatibility, allowing you to build and scale multi-tenant applications with unlimited databases.

Open-source reactive database that keeps your web and mobile apps in sync. Write everything in TypeScript with built-in auth, cron jobs, and AI integration.

A database proxy that enables MongoDB compatibility with PostgreSQL backend, allowing seamless use of MongoDB tools and drivers while avoiding vendor lock-in.

Scalable, high-availability database system supporting OLTP, OLAP, and hybrid transactional/analytical processing workloads.

Deep Lake is an open-source database for storing, querying and managing complex AI data like images, audio, and embeddings.

Memgraph is a scalable, in-memory graph database solution offering high-performance computing and Neo4j compatibility.

SlateDB is an embedded storage engine that leverages object storage for durability, scalability, and simplified replication without the need for disk management.