Side by side
Acceldata vs OpenMetadata
Both stand on data observability tools. Which one you can start free with, which one lets you read the code, and what each costs once you pay.
Paid
Visit Acceldata 
Free plan APISelf-hostedWeb
OpenMetadata combines data cataloging and governance with business definitions and organizational memory. Teams choosing an authentication setup should note that simultaneous use of multiple mechanisms is unsupported.
Visit OpenMetadataThe facts
| Acceldata | OpenMetadata | |
|---|---|---|
| Free plan | No | Yes |
| Open source | Not published | Not published |
| Runs on | Not published | API, Self-hosted, Web |
| Lowest paid plan | Free or on request | Free or on request |
| Plans published | 2 | 1 |
| Maker | Acceldata | Not published |
| Website | acceldata.io | open-metadata.org |
| On data observability tools | #5 of 13 | #1 of 13 |
Acceldata: what it does well
OpenMetadata: what it does well
- Catalog includes discovery, quality, observability, and lineage.
- Connectors support 130+ data services.
- Can be self-hosted or tried in a live sandbox.
- Provides a native MCP server and AI SDK.
- Self-hosted plan is listed as free.
What to know first
- Multiple authentication mechanisms cannot be used simultaneously.
- Self-hosted deployment requires managing the organization’s own environment.
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