The Open Definition in context: putting open into practice

We’ve seen how the Open Definition can apply to data and content of many types published by many different kinds of organisation. Here we set out how the Definition relates to specific principles of openness, and to definitions and guidelines for different kinds of open data. Why we need more than a Definition The Open […]

Exploring openness and the Open Definition

We’ve set out the basics of what open data means, so here we explore the Open Definition in more detail, including the importance of bulk access to open information, commercial use of open data, machine-readability, and what conditions can be imposed by a data provider. Commercial Use A key element of the definition is that […]

Defining Open Data

Open data is data that can be freely used, shared and built-on by anyone, anywhere, for any purpose. This is the summary of the full Open Definition which the Open Knowledge Foundation created in 2005 to provide both a succinct explanation and a detailed definition of open data. As the open data movement grows, and […]

Protecting the foundations of Open Knowledge

###The foundations of the Foundation The Open Knowledge Definition (OKD) was one of the Open Knowledge Foundation’s very first projects: drafted in 2005, 1.0 in 2006. By stipulating what Open means, the OKD has been foundational to the OKF’s work, as illustrated by this several-years-old diagram of the Open Knowledge “stack”. Knowing your foundations seems […]

Open Data – Chennai

This is part 2 of 5 of the Open Data India Series. You can read the first post ‘Open Data – Bangalore’ on the OKFN blog. Chennai, formerly Madras, is only a short train ride away from Bangalore. Laura and I hadn’t been intending on travelling to Chennai on this trip, but a mail from […]

Announcing the Open Definition Licenses Service

We’re pleased to announce a simple new service from the Open Knowledge Foundation as part of the Open Definition Project: the (Open) Licenses Service. The service is ultra simple in purpose and function. It provides: Information on licenses for open data, open content, and open-source software in machine readable form (JSON) A simple web API […]

Open Knowledge Definition translated into Telugu (తెలుగు)

The following post is by Theodora Middleton, the OKF blog editor. We are pleased to announce that the Open Knowledge Definition has now been translated into Telugu (తెలుగు), thanks to the hard work of Sridhar Gutam. You can find this at: The definition has now been translated into 27 languages. If you’d like to […]

Public Data Consultations: Making Open Data a Reality

This post is from Lucy Chambers, Community Coordinator at the Open Knowledge Foundation. Earlier this month, the UK Government published the ‘Open Data Consultation Paper’. Its aim is to establish a “culture of openness and transparency in public services” and the Government is turning to the general public for their preferences on how this should […]

Bulgarian translation of the Open Knowledge Definition (OKD)

The following post is from Jonathan Gray, Community Coordinator at the Open Knowledge Foundation. We are pleased to now have a Bulgarian translation of the Open Knowledge Definition thanks to Peio Popov. You can find this at: If you’d like to translate the Definition into another language, or if you’ve already done so, please […]