ArcadeDB is an open-source database that stores graph, document, key-value, full-text search, vector, and time-series data in one engine.
Best Graph Databases in 2026
When relationships between data are central to an application, a graph database can provide a way to represent and query those connections. Compare query languages and graph algorithms to understand the options for working with connected data. ACID transactions, deployment, and included storage add technical and operational considerations, while vector search may be relevant to your use case. Free-plan availability…
NebulaGraph is a distributed graph database for storing and querying complex connected data.
Eclipse RDF4J is an open-source Java framework for parsing, storing, querying, and reasoning over RDF data.
- 4

Sparksee
Sparksee is an embeddable graph database management system for representing and analysing relationships among entities.
Free planAndroidiOSAPILinux7.6Free plan - 5

FalkorDB
FalkorDB is a graph database for managing interconnected data and supporting AI applications.
Free planWebAPILinuxSelf-hosted7.5From $73 a month - 6
LadybugDB
LadybugDB is an embedded columnar graph database intended for analytical workloads and agentic applications.
Free planAndroidiOSWebAPI7.4Free plan - 7
AllegroGraph
AllegroGraph is a semantic graph database for building knowledge graphs and bringing complex data together.
Free planWebAPILinuxmacOS7.3Free plan - 8
Memgraph
Free planWebAPILinuxmacOS7.3Free plan - 9
OrientDB
OrientDB is an open-source multi-model NoSQL database management system that combines graph and document data models.
Free planWebAPILinuxmacOS7.1From €1,000 a month - 10

Neo4j
Neo4j is a property graph database for storing and querying connected data.
Free planSelf-hosted7.0From $65 a month - 11

TypeDB
TypeDB is a structured hypergraph database with an enforced schema and first-class n-ary relations.
Free planWebAPILinuxmacOS7.0From $0.07 a month - 12

TigerGraph
TigerGraph is a graph database for real-time analysis of connected data, using Native Parallel Graph design and the GSQL query language.
Free planWebAPILinuxSelf-hosted6.9$45 usage-based - 13
TuringDB
TuringDB is an in-memory, columnar graph database with Git-style versioning built into its engine.
Free planWebAPILinuxSelf-hosted6.7Free plan - 14

Apache HugeGraph
Apache HugeGraph is an open-source system for graph databases, graph computing, and graph AI.
Free planWebAPILinuxmacOS6.6Free plan - 15

CognoDB
CognoDB is a managed graph database for storing nodes and relationships and traversing connections with millisecond queries.
Free planWebAPISelf-hosted6.6From $9 a month - 16

GraphDB
GraphDB is an RDF and SPARQL semantic graph database for storing data and running inferencing in the Graphwise AI Platform.
Free planWebAPILinuxmacOS6.6Free plan - 17
WhisperGraph
WhisperGraph is a cloud graph product available on Linux, macOS, web and Windows.
Free planWebLinuxmacOSWindows6.5From €49 a month - 18
Cayley
Cayley is an open-source graph database for storing and querying connected data.
Free planWebAPILinuxmacOS6.2Free plan - 19
GUN
GUN is a free, open-source graph database and data protocol for developers building decentralized apps.
AndroidiOSWebAPI6.2 - 20

Quine
Quine is an open-source platform that processes incoming event streams as connected graph data, monitors graph patterns, and can send matching results to other systems.
Free planWebAPILinuxSelf-hosted6.2Free plan - 21
TerminusDB
TerminusDB is an open-source document graph database for storing JSON documents in a schema-enforced graph.
Free planWebAPILinuxSelf-hosted6.2Free plan - 22

BigQuery Data Clean Rooms
BigQuery Data Clean Rooms let multiple parties share, join, and analyze data without transferring or exposing the underlying data.
WebAPI6.1 - 23

TuGraph
TuGraph is a free graph database and analysis system for large-scale, low-latency workloads such as financial risk control and fraud detection.
Free planWebAPILinuxSelf-hosted6.1Free plan - 24

Amazon Neptune
WebAPI6.0 - 25
Dgraph
WebAPILinuxSelf-hosted6.0

