Best Metadata Management Software in 2026
Updated
In short: DataHub is ranked #1 of 14 as of 5 October 2026, ahead of Aurelius Atlas and Ab Initio Data Platform. The best-ranked option with a free plan is Aurelius Atlas. The lowest first paid tier on this page is Aristotle Metadata Registry at $3/mo.
Metadata management tools help you make data assets easier to find, understand, and trace. Compared on metadata discovery, lineage analysis, and business glossary support, these options also show API availability, deployment choices, and listed connectors. Free-plan availability and paid-from pricing give you further details to weigh. DataHub, Aurelius Atlas, and Alation Data Intelligence Platform are among the products included. Consider which discovery and lineage capabilities fit your work, and check whether the documented connectors and deployment options align with your environment.
14 metadata management software ranked on what their makers publish — plans and prices, free tiers, platforms and the facts on their own pages.
2 of the 14 here have a free tier you can use, 0 have open-source code on record, and 0 have full bars: free, open, on most of your devices and documented.
| # | App | Signal | Free tier | Open code | Devices | From | Score |
|---|---|---|---|---|---|---|---|
| 1 | DataHubWeb · Linux · Self-hosted · API | Two bars | — | 2 of 6 | Free | 6.5 | |
| 2 | Aurelius AtlasWeb · Self-hosted · API | Two bars | — | 1 of 6 | Free | 6.4 | |
| 3 | Ab Initio Data PlatformWeb · Windows · Linux · Self-hosted · API | Two bars | — | — | 3 of 6 | — | 5.6 |
| 4 | Alation Data Intelligence PlatformWeb · Self-hosted · API | One bar | — | — | 1 of 6 | — | 5.4 |
| 5 | Atlan LakehouseWeb · Self-hosted · API | One bar | — | — | 1 of 6 | — | 5.3 |
| 6 | CollibraWeb · Self-hosted · API · Extension | One bar | — | — | 1 of 6 | — | 5.3 |
| 7 | DawisoWeb · Windows · Linux · Self-hosted · API | Two bars | — | — | 3 of 6 | €445/mo | 5.2 |
| 8 | MetaKartaWeb · Windows · Linux · Self-hosted · API · Extension | Two bars | — | — | 3 of 6 | $4.17/mo | 5.2 |
| 9 | Aristotle Metadata RegistryWeb · API | One bar | — | — | 1 of 6 | $3/mo | 5.1 |
| 10 | Progress SemaphoreWeb · Windows · Linux · Self-hosted · API | Two bars | — | — | 3 of 6 | — | 5.1 |
| 11 | SemanticWorx AffirmaWeb · Self-hosted | One bar | — | — | 1 of 6 | — | 5.0 |
| 12 | Apache AtlasNo platforms listed | No signal | — | — | 0 of 6 | — | 4.9 |
| 13 | OpenMetadataWeb | No signal | — | — | 1 of 6 | — | 4.9 |
| 14 | Alex SolutionsNo platforms listed | No signal | — | — | 0 of 6 | — | 4.6 |
Compare all 14 in a table
| # | App | Score | Free plan | From | Free plan | Paid from | Metadata discovery | Business glossary |
|---|---|---|---|---|---|---|---|---|
| 1 | DataHub | 6.5 | Free plan | Free | Yes | — | Yes | Yes |
| 2 | Aurelius Atlas | 6.4 | Free plan | Free | Yes | — | Yes | Yes |
| 3 | Ab Initio Data Platform | 5.6 | No | — | — | — | Yes | Yes |
| 4 | Alation Data Intelligence Platform | 5.4 | No | — | — | — | Yes | Yes |
| 5 | Atlan Lakehouse | 5.3 | No | — | — | — | — | — |
| 6 | Collibra | 5.3 | No | — | — | — | — | — |
| 7 | Dawiso | 5.2 | No | €445/mo | No | — | Yes | Yes |
| 8 | MetaKarta | 5.2 | No | $4.17/mo | No | — | Yes | Yes |
| 9 | Aristotle Metadata Registry | 5.1 | No | $3/mo | No | — | — | Yes |
| 10 | Progress Semaphore | 5.1 | No | — | No | — | — | — |
| 11 | SemanticWorx Affirma | 5.0 | No | — | No | — | Yes | Yes |
| 12 | Apache Atlas | 4.9 | No | — | — | — | — | — |
| 13 | OpenMetadata | 4.9 | No | — | — | — | — | — |
| 14 | Alex Solutions | 4.6 | No | — | No | — | — | — |
Is your app on this list?
Numbered spots on this list can be sponsored, and a sponsored row is labelled as paid.
Questions about this list
Which metadata management software is ranked first on Freedom251?
DataHub is ranked #1 of 14 with a score of 6.5. Aurelius Atlas is second and Ab Initio Data Platform third.
How many of these have a free plan?
2 of the 14 on this page publish a free plan on their own pricing pages.
Which is the cheapest paid option?
On this page, Aristotle Metadata Registry has the lowest first paid tier we found: $3/mo.
How is this list ranked?
Ranked free-and-open first: a usable free tier and open-source code, then the platforms it runs on and its documentation.