fgdc

Geoportal Server is a standards-based, open source product that enables discovery and use of geospatial resources including data and services.

Esri Geoportal Server is an open-source metadata catalog and editor

The MetadataWizard is a useful tool designed to facilitate FGDC metadata creation for spatial and non-spatial data sets. It is a cross-platform desktop application built using an open-source Python architecture.

Web application for writing metadata, an ADIwg project

Metadata for the Harvard Geospatial Library

Geospatial Metadata for Tufts University

A JavaScript library for parsing and converting Geospatial metadata XML

Geospatial metadata from CUGIR, the Cornell University Geospatial Information Repository

An XML sheet to symbolize all of the FGDC available symbols

Deterministic geospatial data standardization & schema mapping automation — INSPIRE, FGDC, OGC, ISO 19115. Runnable Python guides for CRS normalization, attribute ETL, validation gates, and compliance/audit reporting.

Automating license tracking, metadata generation, catalog sync, and compliance validation for spatial datasets — www.geospatialcompliance.org