Free and open first

Best NoSQL Databases in 2026

30 apps
Research read 28 Sept 2026
How the order is worked out

1

Aerospike Database
by Aerospike Database
Free plan Open source APILinuxMac+3

Aerospike Database offers multiple data models, storage choices, and replication modes in one engine. Check edition support and licensing notes for connectors and security features when assessing fit.

9.3 Free plan Visit site
2

Apache Cassandra
by Apache Cassandra
Free plan Open source APILinuxMac+3

Cassandra offers a distributed, self-managed database with multiple deployment options and tunable consistency.

9.1 Open source Visit site
3

ArcadeDB
by ArcadeDB
Free plan Open source APILinuxMac+3

ArcadeDB brings several data models and query options into one database, with a free full-featured Community offering. Paid subscriptions are for support, with coverage depending on the selected plan.

9.0 Free plan · paid from $299/mo Visit site
4

Apache HBase

Free plan Open source APILinuxSelf-hosted

Apache HBase targets distributed data workloads where real-time access and strict consistency matter. It is free, but deployment, security configuration and ongoing operations rest with the operator.

8.9 Free plan Visit site
5

Amazon DynamoDB

Free plan AndroidAPIiPhone+5

DynamoDB offers managed NoSQL storage with automatic scaling, multiple access patterns and recovery options.

7.6 Free plan Visit site
6

Amazon ElastiCache

Free plan APILinuxMac+2

ElastiCache offers serverless and node-based deployment choices alongside multiple caching engines and AWS integrations.

7.6 From $6/mo Visit site
7

Apache CouchDB
by Apache CouchDB
Free plan APILinuxMac+3

Apache CouchDB offers a flexible document model, replication, and clustering in free self-hosted software.

7.5 Free plan Visit site
8

Amazon DocumentDB
by Amazon DocumentDB
Free plan APIWeb

Amazon DocumentDB offers managed document storage with MongoDB compatibility, serverless scaling, replicas, and integrated AWS services.

7.4 30-day trial Visit site
9

Amazon Keyspaces

Free plan APIWeb

Amazon Keyspaces combines Cassandra compatibility with managed, serverless capacity options and recovery features. Check the free-tier window and 1 MB maximum row size against your workload.

7.3 Visit site
10

FalkorDB

Free plan APILinuxSelf-hosted+1

Consider FalkorDB if your team needs a graph database with OpenCypher, vector similarity and deployment options for interconnected data applications.

7.3 Free plan · paid from $73/mo Visit site
11

Firestore

Free plan AndroidAPIiPhone+1

Firestore combines flexible document storage with search, transactions, real-time updates, and offline syncing. Check the database quota and server-side IAM requirements when assessing its fit.

7.3 Free plan Visit site
12

Azure Cosmos DB for NoSQL
by Azure Cosmos DB for NoSQL
Free plan APISelf-hosted

Choose Azure Cosmos DB for NoSQL if your application needs a managed cloud database with JSON documents, transactions, scaling, or multi-region support.

7.1 Free plan · 30-day trial Visit site
13

IBM Cloudant

Free plan APILinuxWeb

IBM Cloudant combines CouchDB-based documents, multiple query options, SDKs, and resilient regional deployment.

7.1 Free plan Visit site
14

MarkLogic
by MarkLogic
Free plan APILinuxMac+3

MarkLogic combines multiple data models, search, and data curation in a platform with several deployment options.

7.1 Free plan Visit site
15

Memgraph

Free plan APILinuxMac+3

Choose Memgraph if you need a graph database with Cypher, streaming connectors, and graph algorithms, or want to start with its free Community Edition.

7.1 Free plan · 30-day trial Visit site
16

JanusGraph

Free plan APILinuxSelf-hosted

JanusGraph offers a free, open-source option for distributed graph storage and querying, with multiple integrations and transaction choices.

7.0 Free plan Visit site
17

RavenDB
by RavenDB
Free plan APILinuxMac+3

Choose RavenDB if you need a schema-less document database with multiple search types, deployment models, and high-availability features.

7.0 Free plan Visit site
18

Redis Insight

Free plan LinuxMacSelf-hosted+2

Redis Insight brings Redis data browsing, command work, and analysis into a free GUI and CLI tool. Check the Docker-only API availability and SSPLv1 licensing if those affect your deployment.

7.0 Free plan Visit site
19

TigerGraph

Free plan APILinuxSelf-hosted+1

Choose TigerGraph when connected-data analytics, graph and vector search, or multiple deployment routes are central requirements.

6.9 Free plan · paid from $45/mo Visit site
20

Valkey
by Valkey
Free plan APILinuxMac+1

Valkey offers a broad set of data types and deployment options for caching, queues, and primary database workloads.

6.9 Open source Visit site
21

Neo4j
by Neo4j
Free plan Self-hosted

Neo4j offers graph database capabilities with several deployment choices and a free AuraDB tier.

6.6 Free plan · paid from $65/mo · 14-day trial Visit site
22

SurrealDB
by SurrealDB
Free plan Self-hosted

SurrealDB combines several data models and query capabilities while offering both managed and self-hosted options.

6.5 Free plan · paid from $0.02 Visit site
23

Azure DocumentDB

Free plan LinuxMacWindows

DocumentDB combines document storage with transactions and vector search, and lists free and capacity-based configurations.

6.4 Free plan Visit site
24

Amazon Neptune

Free trial APIWeb

Amazon Neptune offers managed graph capabilities with multiple query languages, scaling options, replicas, and AWS services.

6.1 30-day trial Visit site
25

MongoDB Compass

Free plan LinuxMacWindows

6.0 Free plan Visit site

#1Places #1, #2, #3, #4, #5 on this list can be bought by the makers of the software on it. See the price

More in Analytics & Data