261+ NoSQL Databases Ranked & Compared

Distributed search and analytics engine built on Apache Lucene for full-text search, observability, and security

In-memory data store used as a database, cache, message broker, and streaming engine

Lightning-fast, typo-tolerant search engine with AI-powered hybrid search

Distributed reliable key-value store for the most critical data of a distributed system

High-performance cloud-native vector database built for scalable similarity search and AI applications

Fast key-value storage library by Google providing ordered mappings with LSM-tree architecture

Multi-model database combining documents, graphs, vectors, and time-series with built-in API layer and real-time capabilities

High-performance embeddable key-value store optimized for fast storage on SSDs

Scalable time-series database built in Rust for metrics, events, and real-time analytics

Modern in-memory data store fully compatible with Redis and Memcached, delivering 25x more throughput

High-performance open-source vector database for next-generation AI applications

The most popular document database for modern applications

Open-source AI-native vector database for building LLM-powered applications with embeddings

Open-source document database designed for real-time push updates to applications

Open-source high-performance key-value database forked from Redis, backed by the Linux Foundation

A fast, local-first, reactive database for JavaScript applications with real-time replication

Simple and fast JSON database for small projects and prototyping

Distributed graph database with native GraphQL support built for horizontal scale

The world's most advanced open-source relational database

Ultra-fast mobile key-value storage powered by mmap and protobuf, built by WeChat

The database that syncs -- an open-source JavaScript database inspired by CouchDB for offline-first apps

Distributed transactional key-value database providing ACID guarantees at scale

Fast, reactive mobile database designed as a modern replacement for Core Data and SQLite

Native graph database with Cypher query language for connected data at scale

Distributed, transactional key-value store with multi-model layers and strict serializability

AI-native vector database with hybrid search and built-in model integration

Fast, embeddable key-value database written in pure Go with LSM tree and value log separation

High-performance NoSQL wide-column database compatible with Apache Cassandra and Amazon DynamoDB

High-performance distributed memory caching system for speeding up dynamic web applications

Multi-model database unifying document, graph, and key-value in a single engine with AQL

Graph-relational database on Postgres with EdgeQL, built-in auth, and AI-ready embeddings

Community-driven open-source search and analytics engine forked from Elasticsearch

Multithreaded Redis fork with higher throughput and active replication

Distributed graph database built for billion-scale graphs with millisecond latency

Distributed real-time database management system built into Erlang/OTP for telecom-grade fault tolerance

Reactive and asynchronous database for high-performance React and React Native apps

Reactive backend database with real-time sync, TypeScript-native queries, and built-in serverless functions

Open-source MongoDB alternative that translates MongoDB wire protocol to PostgreSQL and SQLite

Redis-compatible key-value engine with query subscriptions and hierarchical storage tiers

PostgreSQL-compatible distributed SQL database with high resilience and geo-distribution

Open-source multimodal vector database built on the Lance columnar format with local-first deployment

Distributed wide-column database designed for high availability and linear scalability across data centers

Lightweight embedded .NET NoSQL document database stored in a single file

Lightweight, lightning-fast in-process vector database powered by Alibaba's Proxima engine

GPU-native vector and multimodal data lake for AI agents with deep learning integrations

Immutable, tamperproof database with cryptographic verification for zero-trust environments

Lightweight in-memory key-value cache for Go with expiration and cleanup

Open-source big data serving engine combining search, recommendation, and real-time AI at scale

Seamless multi-master sync with an intuitive HTTP/JSON API

Super fast in-memory JavaScript document-oriented database for browser and Node.js

Unified real-time data platform combining in-memory data grid with stream processing

Pure Go implementation of LevelDB key-value store with LSM-tree storage

High-performance LSM key-value store in Go, powering CockroachDB as its storage engine

Scalable open-source distributed graph database optimized for storing and querying billions of vertices and edges

Distributed wide-column store for random real-time read/write access to big data

Distributed in-memory database with ACID transactions, SQL, and compute capabilities

Distributed, scalable time-series database built on top of HBase for monitoring at massive scale

Embedded Java database engine providing concurrent Maps, Sets, and Queues backed by disk or off-heap memory

Multi-model database combining graph, document, key-value, and object models with SQL support and ACID transactions

Distributed time-series database built by Uber for large-scale metrics with Prometheus and Graphite compatibility

Lightweight, fast, and reliable embedded key-value storage engine based on the Bitcask model

Embeddable in-memory key-value database for Go with custom indexing and geospatial support

Open-source distributed SQL database combining high availability, scalability, strong consistency, and ACID transactions

Edge-optimized on-device database with vector search for mobile, IoT, and embedded AI applications

Redis re-implemented with SQLite for persistent, ACID-compliant key-value storage

PostgreSQL extension that adds graph database functionality with openCypher query support

Lightweight and blazing-fast key-value database written in pure Dart for Flutter apps

Distributed SQL database for real-time analytics on massive datasets with PostgreSQL compatibility

Distributed Redis-compatible key-value NoSQL database built on RocksDB for cost-effective persistent storage

Polymorphic database with a conceptual data model, strong type system, and symbolic reasoning engine

Open-source graph-vector database built from scratch in Rust with compiled queries

Extremely fast, fully async NoSQL database for Flutter with powerful queries and full-text search

Transactional relational-graph-vector database using Datalog for query — the hippocampus for AI

ACID document database with integrated full-text search, time series, and distributed counters

Ultra-fast in-memory graph database using GraphBLAS, optimized for GraphRAG and knowledge graphs

In-memory graph database tuned for dynamic analytics environments with real-time performance

Embedded property graph database built for speed with Cypher, vector search, and full-text search

In-memory computing platform combining a database and Lua application server for extreme performance

Simple, fast, embeddable, persistent key/value store in pure Go with rich data structures

Distributed, in-memory key/value store and cache with Redis-compatible protocol support

Git-like version control for structured data with graph and document models

Large-scale CRDT set implementation for timestamped events backed by Redis

Full-stack syncing database that runs on both server and client with real-time sync and offline support

High-performance graph database supporting hundreds of billions of vertices and edges

Immutable bitemporal SQL database for time-travel reporting and data compliance

Ultra-fast memory-mapped embedded key-value store with full ACID transactions and zero-copy reads

Modern scalable NoSQL database written in Rust with BlueQL query language for performance and flexibility

IoT-optimized time-series database with hybrid in-memory and disk storage from Toshiba

Lightweight graph database written in Rust with pluggable datastores

In-memory data grid providing real-time, consistent access to data-intensive applications at massive scale

Exabyte-scale distributed storage and processing platform for big data from Yandex

RocksDB-compatible key-value storage engine with optimized tail latency, throughput, and compression

Lightweight in-memory reference graph database from Apache TinkerPop with Gremlin support

Widely-used open-source Java caching library with JCache compliance and distributed clustering via Terracotta

Fast distributed scalable time-series database built on top of Apache Cassandra

Apache Cassandra distribution with tightly integrated Elasticsearch for combined NoSQL storage and search

Multi-model graph database built on PostgreSQL with SQL and Cypher support

Lightweight embeddable JSON database engine with XPath-like query language for C/C++ applications

Flash-optimized distributed NoSQL database for real-time applications at massive scale

Open-source distributed in-memory data grid with multi-protocol access and cross-site replication

Native high-performance RDF triple store with full SPARQL 1.1 support for semantic web applications

Free, fully compatible, enhanced open-source drop-in replacement for MySQL with superior performance and scalability

Sorted, distributed key-value store built on Hadoop with cell-level security

Open-source serverless NoSQL database and search platform built on FoundationDB

High-performance multi-model database combining SQL, RDF, SPARQL, XML, and knowledge graph capabilities

Open-source graph-based RDF triple store with native SPARQL query engine using subgraph matching

Multi-model database supporting graphs, documents, key-value, vectors, time-series, and search in one engine

Lightweight, high-performance XML database and XQuery processor with full-text search and visualization

Native Python object database with transparent persistence, MVCC, and undo support

Open-source distributed in-memory cache for .NET and Java with pub/sub messaging

Fast, low-memory realtime NoSQL database for Node.js and browser with Firebase-compatible data sync

In-memory data grid with fault-tolerant caching, transactions, and event processing for enterprise Java applications

Open-source native XML database and application platform with XQuery processing

Scalable Java framework for processing, storing, and querying RDF and Linked Data

Memory-efficient Memcached-compatible caching server and C++ cache library

Immutable, ledger-backed semantic graph database with native RDF and JSON-LD support

Java Content Repository (JCR) implementation for hierarchical content storage with versioning and search

Persistent and in-memory key-value storage engine for JVM with LSM-tree architecture

Enhanced open-source MongoDB drop-in replacement with enterprise-grade security and backup features

High-performance C++ key-value database library with multiple backend data structures

IoT-optimized time-series database with built-in MQTT broker and HTTP API for edge-to-cloud data

Scalable time-series data store built on Apache Cassandra with late aggregation for network monitoring

High-performance M/MUMPS key-value database for mission-critical transaction processing

Ultra-fast embeddable and distributable object database for C# .NET with graph extension

Distributed Node.js platform unifying database, cache, application, and messaging in one process

Converged multi-model NoSQL database with built-in AI, streaming, and graph analytics

Distributed open-source time-series database with streaming orientation built on Scala and Akka

Distributed NoSQL key-value database with masterless architecture for high availability and fault tolerance

Lightweight open-source Java document database with embedded and REST modes for rapid development

Distributed NoSQL database providing key-value, table, and document data models with ACID transactions