Skip to main content
U.S. flag

An official website of the United States government

Dot gov

The .gov means it’s official.
Federal government websites often end in .gov or .mil. Before sharing sensitive information, make sure you’re on a federal government site.


The site is secure.
The https:// ensures that you are connecting to the official website and that any information you provide is encrypted and transmitted securely.

Welcome to This is a work in progress version of a new site on federal data resources.


Agency data inventories

How to get your Open Data on Guide.

DCAT-US Schema v1.1 (Project Open Data Metadata Schema) currently used in

Glossary of terms used in Project Open Data Metadata Schema.

Field Mapping of fields under the Project Open Data Metadata Schema.

GitHub repository for Project Open Data. is a tool for federal agencies to create and publish metadata catalogs.

CKAN is a powerful data management system that makes data accessible – by providing tools to streamline publishing, sharing, finding and using data.

JSON (JavaScript Object Notation) is a lightweight data-interchange format. It is easy for humans to read and write. It is easy for machines to parse and generate.

JSON Validator is used to check your agency’s data.json against required federal metadata schema.

JSON to CSV converter.

CSV to JSON converter. is a collaborative, community activity with a mission to create, maintain, and promote schemas for structured data on the Internet, on web pages, in email messages, and beyond.

Guidance to support the use of the Project Open Data metadata to list agency datasets and application programming interfaces (APIs) as hosted at

Open Data Communities.

Custom CKAN extension for

Government Data Hubs.

How to Get Your Agency’s Data on to (video).


Database to API turns a Database into a Secure, RESTful API.

CSV to API generator is a proof of concept to dynamically generate RESTful APIs from static CSVs.

Interactive API documentation system.

Documenting APIs.

/Developer program provides support to agencies engaged in the production or use of APIs.


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

pycsw is an OGC CSW server implementation written in Python.

GeoNode is a web-based application and platform for developing geospatial information systems (GIS) and for deploying spatial data infrastructures (SDI). It is designed to be extended and modified, and can be integrated into existing platforms.

Repository is an ESRI toolbox and tool(s) that export ESRI Feature Classes to open data formats, CSV, JSON, and GeoJSON.

SpatialSearch is a RESTful API that allows the user to query geographic entities by latitude and longitude, and extract data.

Federal Geographic Data Committee.

Other tools

Dashboard of agency performance on open data.

JSON Based Serialization for Linked Data.

WordPress Plugin allows sites to serve and track changes of root level XML, JSON, and other data files without directly uploading files to the server.

DKAN is a Drupal based open data platform.

LIBRE, the Libre Information Batch Restructuring Engine.

The Digital Analytics Program (DAP) offers advanced, easy Web analytics to federal agencies.

Data Visualization wizard.

qu is a data platform created to serve public data sets. This is a public domain work of the US Government.

Tabula is a tool for liberating data tables locked inside PDF files.

HMDA tools import and analyze mortgage application data.

Data and Statistics about the U.S..