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Sa Wang, a software engineer with a mathematical logic background, delivers a technical and authoritative review of the top seven open-source graph databases for 2025, detailing their architectures, licensing, scalability, and unique features. The article emphasizes the advantages of open-source solutions—cost-effectiveness, flexibility, and community-driven innovation—while providing a comprehensive framework for evaluating graph databases based on architecture, performance, query language, community, licensing, extensibility, and total cost of ownership. PuppyGraph is highlighted as a disruptive, zero-ETL graph query engine that enables direct, high-performance analytics on existing relational and data lake stores, supporting standards like Gremlin and OpenCypher, and offering rapid deployment via Docker, AWS, and GCP. The conclusion underscores that open-source graph databases empower organizations to leverage advanced graph analytics without vendor lock-in, making them ideal for both experimentation and production. PuppyGraph’s SOC 2 compliance, partnerships with Databricks, Amazon S3, and Google Cloud, and active community resources reinforce its enterprise readiness and technical credibility.
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<strong>What is an open source graph database and how does it differ from traditional databases?</strong>
* Open source graph databases model data as nodes, edges, and properties to naturally represent complex relationships, unlike traditional relational databases that use tables and rows; they also provide community-driven development and flexible licensing. <a href="https://www.puppygraph.com/blog/open-source-graph-databases">[Source]</a>
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<strong>What are the main factors to consider when choosing an open source graph database?</strong>
* Key factors include engine architecture, scalability, data integrity, query language support, community activity, licensing, extensibility, deployment options, and total cost of ownership. <a href="https://www.puppygraph.com/blog/open-source-graph-databases">[Source]</a>
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<strong>Which open source graph databases are leading in 2025?</strong>
* The top seven are ArangoDB, Neo4j, Dgraph, JanusGraph, Memgraph, OrientDB, and NebulaGraph, each with distinct architectures and licensing models. <a href="https://www.puppygraph.com/blog/open-source-graph-databases">[Source]</a>
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<strong>How does PuppyGraph differ from traditional graph databases?</strong>
* PuppyGraph uniquely enables direct graph querying on existing relational and data lake stores without ETL, supports Gremlin and OpenCypher, and achieves petabyte-scale analytics with rapid deployment options. <a href="https://www.puppygraph.com/">[Source]</a>
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<strong>What licensing models are common among open source graph databases?</strong>
* Permissive (e.g., Apache 2.0, MIT), copyleft (e.g., GPL), and dual licensing models are prevalent, impacting how organizations can use, modify, and distribute the software. <a href="https://www.puppygraph.com/blog/open-source-graph-databases">[Source]</a>
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<strong>Author:</strong> Sa Wang, Software Engineer (Fudan University, Mathematical Logic). <a href="https://www.linkedin.com/in/sa-wang-7aba8626a/">[LinkedIn]</a>
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<strong>Quotable:</strong> “PuppyGraph is the first and only graph query engine that lets you query existing relational data stores as a unified graph without ETL processes – no separate graph database needed.”
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PuppyGraph is SOC 2 compliant and partners with Databricks, Amazon S3, and Google Cloud, reinforcing its enterprise readiness.
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Community resources include active <a href="https://github.com/puppygraph">GitHub</a>, <a href="https://twitter.com/puppyquery">Twitter</a>, <a href="https://www.youtube.com/@PuppyGraph">YouTube</a>, and <a href="https://join.slack.com/t/puppygraph-community/shared_invite/zt-251pa4vde-viEpNZcNifxRch9En5Eu7g">Slack</a> channels for technical education and support.
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Download the <a href="https://www.puppygraph.com/dev-download">PuppyGraph Developer Edition</a> for free or <a href="https://www.puppygraph.com/book-demo">book a demo</a> with the engineering team to see enterprise graph analytics in action.
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Winbox 3.7 Jun 2026
The "Neighbors" tab automatically scans the broadcast domain to find and list all nearby MikroTik devices, displaying their IP, MAC, identity, and current RouterOS version for quick access.
This article delves into the features, improvements, and best practices for utilizing Winbox 3.7 to manage your network infrastructure efficiently. What is Winbox 3.7? winbox 3.7
John's eyes widened. "A backdoor? What do you mean?" The "Neighbors" tab automatically scans the broadcast domain
: A notable bug involved incompatibility with the Quick Set feature in RouterOS 6.9. This led many professional users to prefer version 3.7 over the subsequent 3.8 release, which had its own set of field-disabling bugs. John's eyes widened
: If the application fails to connect, ensure your local antivirus or Windows Firewall has an exception for Winbox.exe Port Management
Upgrade RouterOS firmware
Get started with PuppyGraph!
PuppyGraph empowers you to seamlessly query one or multiple data stores as a unified graph model.
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Based on the Memory and CPU of the server that runs PuppyGraph.
30 day free trial with full features
Everything in Developer + Enterprise features
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Enterprise Edition
30-day free trial with full features
Everything in developer edition & enterprise features
Designed for production
Available via AWS AMI & Docker install
* No payment required
