Google Cloud Dataplex vs OpenMetadata
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
Google Cloud Dataplex ranks higher on Top 11 (#7 vs #11) for Data engineers, analysts, and governance leaders who need to find, trust, and govern data assets across warehouses, lakes, and BI tools. Best catalog for BigQuery estates.
At a glance
| Google Cloud Dataplex | OpenMetadata | |
|---|---|---|
| Top 11 rank | #7 / Alation vs Collibra vs Atlan: 11 Best Data Catalog Software 2026 | #11 / Alation vs Collibra vs Atlan: 11 Best Data Catalog Software 2026 |
| Score (out of 9.4) | 8.1 | — |
| Best for | Catalog native to Google Cloud | Open-source self-hosted catalog |
| Pricing | $$ (Consumption based within Google Cloud) | $ (Open source; hosting and run cost only) |
| HQ | Mountain View, USA | Distributed (open source, Collate) |
| Founded | 2022 | 2021 |
Google Cloud Dataplex
Best catalog for BigQuery estates.
cloud.google.com/dataplexSee full entry in Alation vs Collibra vs Atlan: 11 Best Data Catalog Software 2026
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
Methodology and scoring weights live at /methodology. No vendor pays for placement — see about.