Skip to content
SPECIFICTION
Get listed

GreyCat

greycat.io

Free plan Self-hosted
Visit greycat.io
Spec score 7.7 #62 of 74 in Database Software

Spec sheet

Free plan
YesRead 23 Sep 2026 · greycat.io
Enterprise connectors
Connectors include PostgreSQL, Kafka, OPC-UA, MQTT, S3, SFTP, OpenStreetMap and IFC.Read 28 Sep 2026 · greycat.io
Headquarters
LuxembourgRead 28 Sep 2026 · greycat.io
Access control
Community includes role-based access control and token authentication.Read 28 Sep 2026 · greycat.io
Agent support
A built-in MCP server and OpenAPI support make functions available to AI agents.Read 28 Sep 2026 · greycat.io
API protocols
GreyCat provides REST, JSON-RPC, OpenAPI and SDK code generation.Read 28 Sep 2026 · greycat.io
Binary size
The standalone binary is approximately 4.6 MB.Read 28 Sep 2026 · greycat.io
Company location
GreyCat is built by DataThings in Luxembourg, European Union.Read 28 Sep 2026 · greycat.io
Database model
graphRead 23 Sep 2026 · greycat.io
Deployment options
bothRead 23 Sep 2026 · greycat.io
Enterprise deployment
Enterprise supports EU-sovereign, on-premises, air-gapped and BYO-cloud deployments.Read 28 Sep 2026 · greycat.io
Enterprise identity
Pro adds OIDC single sign-on.Read 28 Sep 2026 · greycat.io
Free edition
The Community edition is free forever with no time limit or usage clock.Read 28 Sep 2026 · greycat.io
Free plan limits
The page does not state a storage, worker, cache or usage limit for Community.Read 28 Sep 2026 · greycat.io
On-device AI
AI runs on-device so prompts and documents stay within the deployment.Read 28 Sep 2026 · greycat.io
Operations tools
Pro includes monitoring, profiling, live backup and delta backup.Read 28 Sep 2026 · greycat.io
Roadmap items
Many-worlds branching and on-device LLM text generation are listed as planned.Read 28 Sep 2026 · greycat.io
Search features
Pro adds full-text and hybrid search, AI and algebra machine learning libraries.Read 28 Sep 2026 · greycat.io
Self-hosting
GreyCat runs as a self-contained binary on the customer's own infrastructure.Read 28 Sep 2026 · greycat.io
SQL support
NoRead 23 Sep 2026 · greycat.io
Support levels
Community support is via GitHub and Discord; Pro adds email and priority support.Read 28 Sep 2026 · greycat.io
Unified database
Combines time-series, graph, geospatial, vector and full-text search in one engine.Read 28 Sep 2026 · greycat.io
Vector search
YesRead 23 Sep 2026 · greycat.io

Plans and prices

Community Free Self-hosted · Unified time-series, graph, geospatial and vector store · MCP server and OpenAPI · On-device embeddings · REST and JSON-RPC API · RBAC and token authentication Free forever for individuals and teams. Read 28 Sep 2026 · greycat.io
Pro Priced on request Pro libraries for full-text and hybrid search, AI and algebra ML · Enterprise connectors · OIDC single sign-on · Monitoring and profiler · Live and delta backup · Email and priority support For teams shipping to production. Read 28 Sep 2026 · greycat.io
Enterprise Priced on request Uptime SLAs · EU-sovereign, on-prem, air-gapped or BYO-cloud deployment · Dedicated support and onboarding · Security review · Custom terms For regulated and large-scale deployments. Read 28 Sep 2026 · greycat.io

Every GreyCat plan and price →

Where Specifiction places it

Alternatives to GreyCatAll alternatives →