Metamapper
Metamapper: A self-hosted, open-source catalog for searchable metadata, documentation and lineage. Ranked #23 of 25 in Active Metadata Management Software by our editors (7.2/10); pricing: Open source; best for small teams wanting a simple open-source catalog.
At a glance
- Editor score7.2 / 10
- PricingOpen source
- Best forSmall teams wanting a simple open-source catalog
- Paid fromFree
- Automated lineageYes
- Facts checked24 Sep 2026
Where it wins
- Searchable catalog combines asset discovery with schema and table documentation.
- Lineage visualization links datasets for impact-oriented exploration.
- Open-source, self-hosted deployment keeps catalog within your infrastructure.
Where it doesn't
- Self-hosted operation requires your team to run and maintain deployment.
- Ingestion depends on connected data systems and may require integration work.
- Support is provided through community channels and documentation.
Our verdict on Metamapper
Metamapper is an open-source metadata management and data catalog platform for teams that need a central inventory of data assets. Its searchable catalog covers schemas, tables, business metadata and asset browsing, while ownership and stewardship fields add accountability around datasets. The product is a practical fit for small data teams that want to document and discover assets inside infrastructure they manage themselves, with applicability also listed for mid-market and enterprise organizations.
The standout capability is lineage-oriented exploration. Metamapper provides data lineage visualization alongside schema and table documentation, helping users connect assets with the context needed to understand relationships and ownership. Metadata ingestion from connected data systems supports keeping the catalog populated, while searchable browsing gives users a single place to locate datasets. Because deployment is self-hosted, implementation includes operating the application and its surrounding infrastructure rather than adopting a vendor-hosted service.
Metamapper’s ecosystem fit centers on connected data systems and an internally managed catalog. Teams should assess how their systems will feed ingestion and whether the resulting coverage matches their environment. Support is oriented around community channels and documentation, which suits organizations comfortable with self-service operation. Choose Metamapper when open-source control, searchable metadata, documentation and lineage are the priorities. Organizations seeking vendor-hosted deployment, a broad connector marketplace or a more service-led support model should consider alternatives with those capabilities.
Your product? Our editors can test Metamapper in depth and publish a review, labelled as paid · from $149/mo →
Metamapper pricing
Metamapper fact sheet
| Free plan | Not verified |
|---|---|
| Paid from | Free |
| Metadata source limit | Not verified |
| Automated lineage | Yes |
| Data quality monitoring | Not verified |
| Governance workflows | Not verified |
| Deployment model | Self_hosted |
| Impact analysis | Not verified |
| API access | Not verified |
| Deployment | Self-hosted |
| Platforms | Web |
| Support | Community, Docs |
| Built for | Small business, Mid-market, Enterprise (editorial estimate) |
| Pricing | Open source (source) |
| Website | metamapper.io |
| Facts checked | 24 Sep 2026 |
Alternatives to Metamapper
- Databricks Unity CatalogDatabricks-native governance with deep lineage, controls and quality monitoring.9.3
- Zeenea Data Discovery PlatformBroad catalog and lineage capabilities now continue under Actian Data Intelligence Platform.9.1
- Oracle Cloud Infrastructure Data CatalogA free OCI catalog for harvesting, organizing, and tracing metadata across connected sources.9.0
See all Metamapper alternatives →
Used Metamapper? Be the first to review it
The editor score above is our own research. What this page doesn't have yet is a reader's view — what you used Metamapper for, what worked and what didn't. No stars are seeded and no review is paid for; an editor reads every one before it appears.
Write a reviewTwo minutes · verified accounts only · read by an editor before it appears
Featured on iTechGuides
Metamapper is listed in our Active Metadata Management Software directory. Add the badge to your site — it links back to this page.
<a href="https://www.itechguides.com/products/metamapper/"><img src="https://www.itechguides.com/best/badge/metamapper.svg" alt="Featured on iTechGuides" width="230" height="46"></a>
Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
Advertiser disclosure: iTechGuides is reader-supported. Vendors can pay for top positions in our rankings and for a place on other products' pages, and we may earn a commission when you click some links. Bought places stand at the number bought; this page and our disclosure say so. Paying vendors may get a fuller, more detailed review from our editors, and that review can change their score. How we rank.
Last updated · How we research and update