There are 2 repositories under datadiscovery topic.
OpenMetadata is a unified platform for discovery, observability, and governance powered by a central metadata repository, in-depth lineage, and seamless team collaboration.
đź“™ Awesome Data Catalogs and Observability Platforms.
Metadata and data identification tool and Python library. Identifies PII, common identifiers, language specific identifiers. Fully customizable and flexible rules
Registry of metadata identifier entities like UUID, GUID, person fullname, address and so on. Linked with other sources
Open Standard for Metadata. A Single place to Discover, Collaborate and Get your data right.