The 20 Best Free Graph Database for beginners

A Graph database is a database that uses graph structures for semantic queries with nodes, edges, and properties to represent and store data. If you are looking for the best Graph Database for your following projects, here are the 20 Best Graph Databases for beginners.

20 Useful Graph Databases

AllegroGraph – Best Free Graph Database

AllegroGraph is a well-known, modern, high-performance, persistent graph database and application framework for building Semantic Web applications.

AllegroGraph uses efficient memory utilization combined with disk-based storage, enabling it to scale to billions of quads while maintaining superior performance. AllegroGraph supports SPARQL, RDFS++, and Prolog reasoning from numerous client applications. – AllegroGraph

ArangoDB – Multi Model NoSQL Database

ArangoDB is a native multi-model NoSQL database with a flexible data model for documents, graphs, and critical values. Build high-performance applications using a convenient SQL-like query language or JavaScript extensions. – arangodb

Blazegraph – Best Free Graph Database

Blazegraph is an ultra-scalable, high-performance graph database with support for the Blueprints and RDF/SPARQL APIs. It supports up to 50 Billion edges on a single machine and has a High Availability and Scale-out architecture. – Blazegraph

Bitsy – Embeddable In-memory Graph database

Bitsy is a small, fast, embeddable, durable in-memory graph database that implements the Blueprints API. Designed for multi-threaded OLTP applications, Bitsy implements optimistic concurrency control and stores data in human-readable JSON-encoded text files. – Bitsy

BrightstarDB – Open Source Embeddable NoSQL Web Database

BrightstarDB is an open-source, fast, embeddable NoSQL semantic web database for .NET Framework with code-first data model generation. – BrightstarDB

cayley – Open Source Graph Database

cayley is an Open Source graph database inspired by the graph database behind Freebase and Google’s Knowledge Graph. – cayley

neo4j – Highly Scalable Open Source Graph Database

neo4j is a highly scalable open-source graph database and one of the most popular databases. It is fully ACID supported, comes with a powerful query language, supports hot backups (without taking the database down), ETL capabilities, and clustering. – Neo4j

Sparksee – Scalable Graph database management System

A high-performance and scalable graph database management system written in C++ for network analysis. Its main characteristics are its query performance for the retrieval & exploration of large networks. Sparksee offers bindings for Java, C++, C#, Python, and Objective-C. Sparksee 5 mobile is the first graph database for mobile devices. – Sparksee

Filament – Best Free Graph Database

The filament is a graph database for storing and exploiting graph data structures. The core element is a graph storage library with default support for SQL through JDBC. The actual storage implementation is pluggable.  – Filament

GraphBase – Graph Database Management System

customizable, distributed, small-footprint graph database management system with a rich toolset from FactNexus. it makes massive, highly structured data stores possible because it was built from scratch to managing large graphs. – GraphBase

Graphd – Best Free Graph Database

Graphd is the back-end graph database that powers It is an in-house graph database or tuple store written in C and runs on Unix-like machines. It processes graph query language (GQL) queries (translated from the MQL queries submitted through the Freebase API). – Graphd


HyperGraphDB is a general-purpose, open-source data storage platform based on a robust knowledge management formalism known as directed hypergraphs.

It can also be used as an embedded object-oriented database for Java projects of all sizes. Or a graph database. Or a (non-SQL) relational database. – HyperGraphDB

IBM System G Native Store

IBM System G Native Store provides an efficient graph data storage solution that can handle various graphs, property graphs, and RDF-like graphs in storage, analytics, and visualization. – IBM System G Native Store


InfiniteGraph is an enterprise distributed graph database implemented in Java and is from a class of NoSQL database technologies that focus on graph data structures. Developers use Infinitegraph to find valuable and often hidden relationships in highly connected big data sets. – InfiniteGraph


InfoGrid is an open-source web graph database with many additional software components that make REST-ful web applications on a graph foundation easy. – InfoGrid

jCoreDB Graph database

is a new scalable and extensible Database Management System core entirely written in Java. – jCoreDB


MarkLogic is the only Enterprise NoSQL database. It is a new generation database built with a flexible data model to store, manage, and search today’s data without sacrificing any of the data resiliency and consistency features of last-generation relational databases. – MarkLogic

Ontotext GraphDB

GraphDB is a semantic graph database that serves organizations to store, organize, and manage content in semantically enriched intelligent data. – GraphDB


Virtuoso is a scalable, open-source, cross-platform server that combines Relational, Graph, and Document Data Management with Web Application Server and Web Services Platform functionality. – Virtuoso


OrientDB is an open-source NoSQL database management system written in Java. It is a multi-model database, supporting graph, document, key/value, and object models, but the relationships are managed as in graph databases with direct connections between records. It supports schema-less, schema-full, and schema-mixed modes. – OrientDB


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