
Open Knowledge Foundation
OKF
A global non-profit that has shaped the open data movement since 2004: it wrote the Open Definition, created the CKAN portal software and ran the Global Open Data Index.
What they publish
- Open DefinitionPrinciples
- Defines what “open” means for data and content: free for anyone to use, modify and share, for any purpose.
- CKANSoftware
- Open-source data portal software, first built at the foundation and used by many national open data portals.
- Frictionless DataStandard
- Lightweight specifications and tools, such as Data Package, for describing and validating datasets.
- Global Open Data IndexIndex
- A crowdsourced assessment of whether key government datasets were published openly, country by country.
Measures open data by country
Global Open Data Index · since 2013 · Global · Last full edition 2016/17
- Availability: Whether key datasets are published at all.
- Openness: Open licence, machine-readable formats, free and bulk access.
- Quality: Timeliness, metadata and data quality.
Working on similar things

Web Foundation
Non-profit · since 2009
World Wide Web Foundation
Founded in 2009 by Sir Tim Berners-Lee and Rosemary Leith to advance an open web as a public good and a basic right.

OGP
Intergovernmental · since 2011
Open Government Partnership
A partnership of national and local governments and civil society, launched in 2011, whose members co-create action plans on transparency, participation and accountability.

ODC
Non-profit · since 2015
Open Data Charter
A collaboration between governments and experts, launched in 2015, that promotes shared principles for how governments publish data.