OpenMetadata vs Alation
Side-by-side from the Top 11 ranking of Alation vs Collibra vs Atlan: 11 Best Data Catalog Software 2026. Last verified July 19, 2026.
The short answer
Alation ranks higher on Top 11 (#1 vs #11) for Data engineers, analysts, and governance leaders who need to find, trust, and govern data assets across warehouses, lakes, and BI tools. The strongest all-round enterprise catalog.
At a glance
| OpenMetadata | Alation | |
|---|---|---|
| Top 11 rank | #11 / Alation vs Collibra vs Atlan: 11 Best Data Catalog Software 2026 | #1 / Alation vs Collibra vs Atlan: 11 Best Data Catalog Software 2026 |
| Score (out of 9.4) | — | 9.3 |
| Best for | Open-source self-hosted catalog | Enterprise discovery with governance |
| Pricing | $ (Open source; hosting and run cost only) | $$$$ (Quoted annually, source and user based) |
| HQ | Distributed (open source, Collate) | Redwood City, USA |
| Founded | 2021 | 2012 |
OpenMetadata
Open-source catalog you own and self-host.
open-metadata.org/See full entry in Alation vs Collibra vs Atlan: 11 Best Data Catalog Software 2026
Alation
The strongest all-round enterprise catalog.
www.alation.com/See full entry in Alation vs Collibra vs Atlan: 11 Best Data Catalog Software 2026
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.