Metacat
Unified metadata exploration API for various data sources
Pricing
Free tier
Flat rate
Adoption
→StableLicense
Open Source
Data freshness
Aging · Jun 8, 2026Overview
What is Metacat?
Metacat is a unified metadata exploration API service that supports multiple data sources including Hive, RDS, Teradata, Redshift, S3 and Cassandra. It simplifies the process of exploring and managing metadata across different systems.
Key differentiator
“Metacat stands out by providing a unified API for exploring metadata across multiple data sources, simplifying the management and discovery process in complex environments.”
Capability profile
Capability Radar
Honest assessment
Strengths & Weaknesses
↑ Strengths
↓ Weaknesses
Low activity on forums and limited third-party resources
Extensive configuration required for each supported system (Hive, RDS, Teradata, Redshift, S3, Cassandra)
Slow response times observed when querying large datasets across multiple sources
Official documentation is sparse, lacking practical use cases and advanced configurations
Fit analysis
Who is it for?
✓ Best for
Organizations needing centralized metadata management across multiple data sources
Teams working on integrating various data systems into a unified view
Projects requiring efficient data discovery and cataloging capabilities
✕ Not a fit for
Small projects or teams with only one type of data source
Real-time streaming applications that require immediate metadata updates
Cost structure
Pricing
Free Tier
Available
Open source — free to use
Starts at
$0
Model
Flat rate
Enterprise
None
Performance benchmarks
How Fast Is It?
Ecosystem
Relationships
Next step
Get Started with Metacat
Step-by-step setup guide with code examples and common gotchas.