Tech riderRev. 28 Sept 2026
GreyCat
- 1Runs onself-hosted
- 2CostsFree plan
- 3Database modelgraph
- 4Deployment optionsboth
- 5SQL supportNo
- 6Vector searchYes
6 lines stated Written from the maker's own pages: greycat.io
Overview
GreyCat is ranked #62 of 74 in database software on Specifiction, made by GreyCat (Luxembourg). It runs on Self-hosted. There is a free plan.
GreyCat plans and pricing
All plansCommunity 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 greycat.io · 28 Sept 2026
Pro Not published 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 greycat.io · 28 Sept 2026
Enterprise Not published Uptime SLAs · EU-sovereign, on-prem, air-gapped or BYO-cloud deployment · Dedicated support and onboarding · Security review · Custom terms greycat.io · 28 Sept 2026
Compared on database software
- Free plan
- Yesgreycat.io
- Database model
- graphgreycat.io
- Deployment options
- bothgreycat.io
- SQL support
- Nogreycat.io
- Vector search
- Yesgreycat.io
Facts
- Unified database
- Combines time-series, graph, geospatial, vector and full-text search in one engine.greycat.io · 28 Sept 2026
- Free edition
- The Community edition is free forever with no time limit or usage clock.greycat.io · 28 Sept 2026
- Free plan limits
- The page does not state a storage, worker, cache or usage limit for Community.greycat.io · 28 Sept 2026
- Self-hosting
- GreyCat runs as a self-contained binary on the customer's own infrastructure.greycat.io · 28 Sept 2026
- Binary size
- The standalone binary is approximately 4.6 MB.greycat.io · 28 Sept 2026
- On-device AI
- AI runs on-device so prompts and documents stay within the deployment.greycat.io · 28 Sept 2026
- Access control
- Community includes role-based access control and token authentication.greycat.io · 28 Sept 2026
- Enterprise identity
- Pro adds OIDC single sign-on.greycat.io · 28 Sept 2026
- Enterprise deployment
- Enterprise supports EU-sovereign, on-premises, air-gapped and BYO-cloud deployments.greycat.io · 28 Sept 2026
- Enterprise connectors
- Connectors include PostgreSQL, Kafka, OPC-UA, MQTT, S3, SFTP, OpenStreetMap and IFC.greycat.io · 28 Sept 2026
- API protocols
- GreyCat provides REST, JSON-RPC, OpenAPI and SDK code generation.greycat.io · 28 Sept 2026
- Agent support
- A built-in MCP server and OpenAPI support make functions available to AI agents.greycat.io · 28 Sept 2026
- Search features
- Pro adds full-text and hybrid search, AI and algebra machine learning libraries.greycat.io · 28 Sept 2026
- Support levels
- Community support is via GitHub and Discord; Pro adds email and priority support.greycat.io · 28 Sept 2026
- Operations tools
- Pro includes monitoring, profiling, live backup and delta backup.greycat.io · 28 Sept 2026
- Company location
- GreyCat is built by DataThings in Luxembourg, European Union.greycat.io · 28 Sept 2026
- Roadmap items
- Many-worlds branching and on-device LLM text generation are listed as planned.greycat.io · 28 Sept 2026
Company
- Headquarters
- Luxembourggreycat.io · 28 Sept 2026
Best GreyCat alternatives
See all 20 All accessCh 01 MySQL Free planFree trialAPI Free to start9.3 All accessCh 02 Azure SQL Database Free planFree trialAndroid Free to start9.1 All accessCh 03 Amazon DynamoDB Free planFree trialAndroid Free to start9.1 All accessCh 04 SQLite Free planAndroidAPI from $12.50/mo8.9 All accessCh 05 Firestore Free planFree trialAndroid Free to start8.6 All accessCh 06 MarkLogic Free planFree trialAPI Free to start8.5
Where it ranks on Specifiction
- Best Database Software in 2026#62 of 74
Is GreyCat yours?
Claim it for free: prove the domain, then correct facts, plans and screenshots. An editor reviews every change.
Sources
- greycat.io· checked 28 Sept 2026
- greycat.io/pricing.html· checked 28 Sept 2026