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 a next generation open-source metadata catalog and editor, based on elasticsearch.

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

An XML sheet to symbolize all of the FGDC available symbols

Geospatial Metadata for Tufts University

A JavaScript library for parsing and converting Geospatial metadata XML

Metadata for the Harvard Geospatial Library

Geospatial metadata from CUGIR, the Cornell University Geospatial Information Repository