Data schemas and standards

Formats designed to structure data, which then enables interoperability, analysis, and software development.

Building & Land Development Specification (BLDS)

An open data specification for building and land development permits

Cities Coalition for Digital Rights

We, the undersigned cities, formally come together to form the Cities Coalition for Digital Rights, to protect and uphold human rights on the internet at the local and global level.


A specification of the civic.json metadata standard for civic technology projects

Clearspending Russia

Автоматизированный мониторинг и аналитика по заключенным госконтрактам – инструменты для общественного анализа, выявления злоупотреблений, борьбы с коррупцией и неэффективным расходованием государственных средств.


DataMade is a civic technology company. We build open source technology using open data to empower journalists, researchers, governments and advocacy organizations.

Democracy Works Elections API

Our full-time research team maintains a detailed calendar of upcoming state, special, and local elections, which we release as our Elections API.

cat-icon Brooklyn, NY, USA

Federal Spending Transparency

The Federal Spending Transparency GitHub page is a space for stakeholders inside and outside government to stay informed on Digital Accountability and Transparency Act of 2014 (DATA Act) Implementation. The DATA Act makes federal spending data more accessible, searchable, and reliable. It makes it easier to understand how the federal government spends taxpayer dollars and serves as a tool for better oversight, data-centric decision-making, and innovation both inside and outside of government. The U.S. Department of the Treasury and the Office of Management and Budget are lead the government-wide implementation of the DATA Act. Additionally, the page hosts the alpha version of the Data Lab at, an initiative by the U.S. Department of the Treasury to create visualizations and analyses using federal spending data to help the public, researchers, government entities and others understand, and use the data from

GDS Service Standard

Criteria to help government create and run good digital services

cat-icon United Kingdom

Government Digital Standards

A list of digital standards used by governments around the world

cat-icon United Kingdom

Green Button

The Green Button initiative is an industry-led effort to respond to a White House call-to-action to provide electricity, natural gas, and water customers with easy access to their energy- and water-usage data in a consumer-friendly and computer-friendly format.

Human Service Data API Suite (HSDA)

A set of protocols for accessing, updating, exchanging and synchronising community resource directory data

Human Services Data Specification

The Human Services Data Specification - a data exchange format developed by the Open Referral Initiative

Human Services Data Specification (HSDS)

HSDS is designed to support the publication of open, interoperable community resource directory data.

Impact Management Project

Building consensus for how we measure and manage impact

cat-icon United Kingdom

Joined Up Data Standards

We aim to improve how standard-setting bodies, data producers and data users collaborate to join-up their data to make it interoperable and comparable.

Library of Congress Machine Readable Cataloging

The MARC formats are standards for the representationand communication of bibliographic and related information in machine-readable form.

Local Inspector Value-Entry Specification (LIVES)

Yelp is a fun and easy way to find, recommend and talk about what's great - and not so great - in San Francisco and beyond. Members share their favorite recommendations - everything from the latest restaurants and shops, to the best hair salons…


LogCheck's mobile app is the easiest way to stay on top of routine maintenance tasks, inspections, and meter readings. Sign up for your free trial today!


Mark43 is reinventing public safety software applications from the ground up, delivering unparalleled efficiency gains to first responders.

Open Connectivity Foundation

The Open Connectivity Foundation (OCF) create a specification and sponsors an open source project to unlock the massive opportunity in the IoT market, accelerating industry innovation and helping developers and companies create solutions that map to a single open specification. The OCF’s vision for IoT is that billions of connected devices (devices, phones, computers and sensors) will communicate with one another regardless of manufacturer, operating system, chipset or transport. With the OCF fulfilling this promise, anyone – from a large technology company to a maker in their garage – can adopt the open standards of OCF to innovate and compete, helping ensure secure interoperability for consumers, business, and industry.

Open Eligibility

The Open Eligibility Project is an initiative of Aunt Bertha, a Public Benefit Corporation in order to simplify the process of finding and applying for human services.

Open Hunting & Fishing

Rendering hunting and fishing regulations as open data. [RETIRED]

Open Knowledge Foundation


Open Mobility Foundation

Municipalities across the country have joined together to create a new global non-profit organization called the Open Mobility Foundation to support the development of open-sourced software that provides scalable mobility solutions for cities.

cat-icon Los Angeles, California, USA

Open Procurement

OpenProcurement is an open source e-procurement toolkit.

Open Referral

We develop data standards and open platforms that make it easy to share and find information about community resources.

Open Supporter Data Interface

We’re defining an API and data structures to enable true interoperability among products for organizations with progressive values.


Free and Open Company Data on 135 million companies and corporations in over 125 jurisdictions, including US, UK, Switzerland, Panama...

Popolo Project

International open government data specifications.


A metadata description standard for public software

Represent Canada

Find the elected officials and electoral districts for any Canadian address or postal code, at all levels of government 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.

Service Net

Benetech Service Net is an open standards data exchange platform that makes it easier to share and maintain information on local social and human services.

cat-icon San Francisco Bay Area, CA, USA

Share the Facts

Share the Facts offers a new way for professional fact checkers—like Politifact, The Washington Post, and—to spread their work across the Internet.

cat-icon Google, 8th Avenue, NYC, NY, USA


We build open source software, digital infrastructure, and governance frameworks to enable public-private collaboration and the seamless exchange of transport data.

Shared, open cross-government standards make services better for users and cheaper to run.

Wayfindr with TfL

we have developed the world's first internationally-approved standard for accessible audio navigation.