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ArcadeDB

arcadedb.com

From $19.99/mo Free plan Open source WebWindowsmacOSLinuxAPISelf-hosted
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Spec score 9.4 #1 of 39 in Graph Databases

What it is

ArcadeDB is an open-source database engine that stores graph, document, key-value, full-text search, vector, and time-series data together. The database is free for any use under the Apache 2.0 license, with no usage limits or feature restrictions, and states that it provides full ACID transactions on single-node and distributed deployments. Query options include SQL, OpenCypher 25, Gremlin, GraphQL, MongoDB query language, and a native Java API. ArcadeDB can run inside Java applications or as a standalone server, with installation options including Docker, a GitHub binary, Maven, and Kubernetes. ArcadeDB Server supports HTTP/JSON and compatibility with Postgres wire protocol, Redis, and MongoDB protocols. Built-in importers cover Neo4j and OrientDB, and the maker says Raft consensus maintains consistency across multiple servers. The Community plan is free forever and includes forums, GitHub Issues, documentation, and tutorials. Paid support starts at $299 a month per server, with response targets and coverage varying by plan. A separate Studio AI Assistant license costs $19.99 a month.

Spec sheet

What it does
ArcadeDB is a multi-model database that stores graph, document, key-value, vector, full-text and time-series data in one engine.Read 15 Oct 2026 · arcadedb.com
Product
ArcadeDB is an open-source multi-model database that stores graph, document, key-value, full-text search, vector, and time-series data in one engine.Read 28 Sep 2026 · arcadedb.com
Deployment
ArcadeDB can run embedded in Java applications or as a standalone server and can be installed using Docker, a GitHub binary, Maven, or Kubernetes.Read 28 Sep 2026 · arcadedb.com
Free plan
YesRead 22 Sep 2026 · arcadedb.com
Paid from
299Read 22 Sep 2026 · arcadedb.com
Security
The maker describes a persistent write-ahead journal and automatic rollback of uncommitted transactions after a server crash.Read 28 Sep 2026 · arcadedb.com
Support
Paid support subscriptions include guaranteed response-time SLAs, with response targets and coverage varying by plan.Read 28 Sep 2026 · arcadedb.com
License
ArcadeDB is distributed under the Apache License 2.0 and the maker states that all features remain under that license.Read 15 Oct 2026 · github.com
Headquarters
London, United KingdomRead 23 Sep 2026 · arcadedb.com
Company
The maker identifies Arcade Data Ltd as a private company that leads development of the ArcadeDB open-source project.Read 28 Sep 2026 · arcadedb.com
AI integrations
The GraphRAG documentation describes combining graph traversal, vector similarity, BM25 or SPLADE sparse retrieval and hybrid fusion.Read 15 Oct 2026 · docs.arcadedb.com
Community support
The free Community plan lists community forums, GitHub Issues, public documentation, and tutorials.Read 28 Sep 2026 · arcadedb.com
Company size on LinkedIn
LinkedIn classifies Arcade Data Ltd as privately held, headquartered in London, with 2–10 employees.Read 15 Oct 2026 · uk.linkedin.com
Compatibility
ArcadeDB Server supports HTTP/JSON and is compatible with the Postgres wire protocol, Redis, and MongoDB protocols.Read 28 Sep 2026 · arcadedb.com
Deployment choices
ArcadeDB can run as a Java embedded database, Docker container, Kubernetes Helm deployment or on-premise binary server.Read 15 Oct 2026 · arcadedb.com
Document and key-value models
Documents and key-value records are supported natively alongside graph records.Read 15 Oct 2026 · arcadedb.com
Documentation depth
The documentation includes fundamentals, SQL, graph queries, vector/RAG, migration courses, API references and operations guides.Read 15 Oct 2026 · docs.arcadedb.com
Embedded-mode limitation
Embedded deployments do not provide security controls automatically, so the host application must supply them.Read 15 Oct 2026 · arcadedb.com
Full-text search
ArcadeDB uses BM25 ranking for full-text indexes and can combine keyword and vector retrieval.Read 15 Oct 2026 · arcadedb.com
Grafana integration
The Grafana plugin supports time-series visual building, SQL/Cypher/Gremlin modes, node-graph visualization, alerting and template variables.Read 15 Oct 2026 · docs.arcadedb.com
Graph database
The engine provides native graph storage and traversal, including built-in graph algorithms.Read 15 Oct 2026 · arcadedb.com
High availability
Distributed deployments use Raft consensus to maintain consistency across servers.Read 15 Oct 2026 · arcadedb.com
Latest release
The changelog identifies version 26.10.1, dated October 5, 2026, with high-availability hardening, query fixes, PostgreSQL TLS and security advisories.Read 15 Oct 2026 · arcadedb.com
Legal company history
UK Companies House records Arcade Data Ltd as company 10981105, incorporated on September 26, 2017, with a London registered office.Read 15 Oct 2026 · find-and-update.company-information.service.gov.uk
License and cost
The full database is free for any usage under the Apache 2.0 license, with no usage limits or feature gating.Read 28 Sep 2026 · arcadedb.com
MCP extensibility
A built-in MCP server offers schema, query, vector, full-text, hybrid-search and upsert tools over HTTP JSON-RPC or stdio.Read 15 Oct 2026 · docs.arcadedb.com
Migration
The product includes built-in importers for Neo4j and OrientDB.Read 28 Sep 2026 · arcadedb.com
Performance claim
The maker claims throughput above 10 million records per second and reports 44 of 44 Jepsen consistency tests passing.Read 15 Oct 2026 · arcadedb.com
Praise: performance and languages
The sole validated G2 reviewer praises large-graph performance, Gremlin/SQL/Cypher choice, JVM integration and easy setup.Read 15 Oct 2026 · g2.com
Public API
The HTTP API exposes OpenAPI metadata plus authentication, query, command and transaction endpoints.Read 15 Oct 2026 · docs.arcadedb.com
Query languages
The product supports SQL, OpenCypher/Cypher 25, Gremlin, GraphQL, MongoDB query language and a native Java API.Read 15 Oct 2026 · arcadedb.com
Rating on Capterra
0.0 out of 5 from 0 reviewsRead 15 Oct 2026 · capterra.com
Rating on G2
5.0 out of 5 from 1 reviewRead 15 Oct 2026 · g2.com
Rating on GetApp
0 rating from 0 reviewsRead 15 Oct 2026 · getapp.com
Rating on Software Advice
No reviews yetRead 15 Oct 2026 · softwareadvice.com
Rating on TrustRadius
0 out of 10 from 0 reviewsRead 15 Oct 2026 · trustradius.com
SDKs and drivers
Official documentation lists Java, Python, TypeScript, .NET, PHP, Ruby, Rust, Elixir and other client libraries or drivers.Read 15 Oct 2026 · docs2.arcadedb.com
Security controls
Official security documentation describes Basic and token authentication, PBKDF2-HMAC-SHA256 password hashing, TLS options, database permissions and query limits.Read 15 Oct 2026 · arcadedb.com
System requirement
The on-premise server requires Java 21 or newer, while the binary documentation also describes Java 17 packages.Read 15 Oct 2026 · docs.arcadedb.com
Time-series and geospatial
The documentation lists time-series and geospatial as supported data models.Read 15 Oct 2026 · docs.arcadedb.com
Transactions
ArcadeDB states that it provides full ACID transactions for single-node and distributed deployments.Read 28 Sep 2026 · arcadedb.com
Transactions and durability
The engine provides ACID transactions and uses a write-ahead journal to roll back uncommitted work after crashes.Read 15 Oct 2026 · arcadedb.com
TrustRadius pricing listing
TrustRadius lists Silver at $299, Gold at $599 and Platinum at $1,499 per month per on-premise installation, with an annual-billing discount.Read 15 Oct 2026 · trustradius.com
TrustRadius support information
TrustRadius says free users receive community, FAQ, social and issue-tracker support, while paid users also receive email support.Read 15 Oct 2026 · trustradius.com
Use cases
The maker lists knowledge graphs, GraphRAG, fraud detection, recommendation engines, real-time analytics, customer 360, supply-chain analytics, and AI/ML feature stores as use cases.Read 28 Sep 2026 · arcadedb.com
Vector search
Vector embeddings are indexed with HNSW and can be queried with cosine, Euclidean or dot-product similarity.Read 15 Oct 2026 · arcadedb.com
Wire protocols
Server clients can connect through HTTP/JSON, PostgreSQL wire protocol, Neo4j Bolt, Redis, MongoDB and gRPC interfaces.Read 15 Oct 2026 · docs.arcadedb.com

Plans and prices

Community Free forever full database and features · community/forum support · documentation and tutorials Read 15 Oct 2026 · arcadedb.com
Silver $299 a month monthly per server 4-hour S1 response during business hours · email support · priority queue · backport patches · extended coverage Read 15 Oct 2026 · arcadedb.com
Gold $599 a month monthly per server 1-hour S1 response · 8am–8pm CET coverage · guaranteed backports · escalation · quarterly review · 24/7 coverage Read 15 Oct 2026 · arcadedb.com
Platinum $1,499 a month monthly per server 30-minute S1 response · 24/7/365 critical coverage · dedicated technical account manager · guaranteed RCA · annual architecture/performance audit Read 15 Oct 2026 · arcadedb.com
Studio AI Assistant $19.99 a month monthly per license $20 of included AI usage per month · natural-language SQL/Gremlin/Cypher · schema exploration · optimization help · contextual documentation Read 15 Oct 2026 · arcadedb.com

Every ArcadeDB plan and price →

Strong points and limits

Strong points

  • Free database with no usage limits or feature gating
  • Supports ACID transactions on single-node and distributed deployments
  • Offers several query languages and protocol compatibilities
  • Includes importers for Neo4j and OrientDB

Limits

  • Paid support starts at $299 a month per server
  • Support response targets and coverage vary by plan
  • Studio AI Assistant costs $19.99 a month

Who it suits

ArcadeDB suits developers who need graph and other data models in one database engine, or who want embedded Java use or a standalone server. Teams seeking guaranteed support response targets can consider the paid support plans.

Verdict

ArcadeDB combines several data models, query options, and deployment styles in a database that is free to use. Support subscriptions are separate, so teams should compare their stated response targets and coverage with their needs.

Where Specifiction places it

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