ArcadeDB
ArcadeDB: A flexible graph database with broad protocol support and a full-featured free edition. Ranked #17 of 39 in Graph Databases by our editors (7.2/10); pricing: Free plan; best for multi-model and protocol compatibility.
At a glance
- Editor score7.2 / 10
- PricingFree plan
- Best forMulti-model and protocol compatibility
- Free planYes
- Paid from$19.99/unit/mo
- DeploymentSelf_hosted
- Facts checked22 Sep 2026
Where it wins
- Full feature set available in the Apache 2.0 Community edition
- Supports six query interfaces and multiple database wire protocols
- Combines graph, vector, document, key/value, and other data models
Where it doesn't
- Paid database support tiers start at $299 per server monthly
- The broad feature set may be more than graph-only projects need
- Advanced support coverage is reserved for higher-priced tiers
Our verdict on ArcadeDB
ArcadeDB is an open-source multi-model database for teams that need graph storage alongside document, key/value, full-text, vector, time-series, or geospatial data. It supports SQL, Cypher, Gremlin, GraphQL, MongoDB QL, and Redis commands, making it a fit for applications that need to preserve compatibility across query styles or existing protocols. Deployment options include embedded JVM applications, standalone servers, Docker, Kubernetes, on-premises environments, and cloud environments.
Pricing is split between a free database edition and optional support subscriptions. Community costs $0 forever and includes the full ArcadeDB feature set, Apache 2.0 licensing, public documentation and tutorials, plus community forum and GitHub Issues access. Silver costs $299 per server per month and adds professional production support, email support, backported patches, and a four-hour S1 response during business hours. Gold is $599 per server monthly, with a one-hour S1 response, mission-critical deployment support, extended coverage from 8am to 8pm CET, and 24/7 coverage. Platinum costs $1,499 per server monthly and adds a 30-minute S1 response, 24/7/365 critical coverage, and an annual architecture and performance audit. Studio AI Assistant is separate at $19.99 per license monthly.
Its main strength is breadth without giving up graph-specific capabilities. ACID transactions work across single-node and distributed deployments, while built-in graph algorithms, native vector search with HNSW and Vamana/DiskANN indexes, and Raft-based high-availability clustering cover varied application requirements. PostgreSQL, Neo4j Bolt, MongoDB, Redis, Gremlin, and HTTP/JSON protocols support integration across different application ecosystems. Teams seeking a flexible, self-hosted multi-model engine should consider ArcadeDB, especially when the free edition is sufficient. Teams wanting only a focused graph database or extensive commercial support should weigh the per-server cost of the paid tiers.
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ArcadeDB pricing
All 5 ArcadeDB plans and prices →
ArcadeDB fact sheet
| Free plan | Yes |
|---|---|
| Paid from | $19.99/unit/mo |
| Deployment | Self_hosted |
| Query languages | SQL, Cypher, Gremlin, GraphQL, MongoDB Query Language, Redis commands |
| ACID transactions | Yes |
| Graph algorithms | Yes |
| Vector search | Yes |
| Included storage | Not verified |
| Deployment | Self-hosted |
| Platforms | Web, Windows, macOS, Linux |
| Support | Email, Community, Docs · 24/7 |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Free plan (source) |
| Website | arcadedb.com |
| Facts checked | 22 Sep 2026 |
Alternatives to ArcadeDB
- Neo4jA broad graph platform spanning managed cloud, self-managed deployments, analytics, and AI.9.4
- Amazon NeptuneA managed AWS graph service with broad query, resilience, analytics, and AI connectivity.9.2
- Apache HugeGraphA self-hosted graph platform combining transactional storage, analytics, and graph-AI tooling.9.0
See all ArcadeDB alternatives →
Also Ranked In
ArcadeDB is ranked in 4 of our directories.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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