Python Web Expert Jobs

This is a joint post by James Gardner, the lead developer on CKAN and Rufus Pollock, creator of CKAN and project lead for Where Does My Money Go. The Open Knowledge Foundation is looking for really good Python web developers to join our organisation to work on CKAN, our open source web-based catalogue system built […]

Notes from EU meeting on “pan-European open data portal”

A report from an EU meeting on the “goals and requirements for a pan-European data portal” is now online (PDF). The meeting took place in Luxembourg last month. Participants included Nigel Shadbolt, one of four members of the UK Government’s Public Sector Transparency Board, and Jose Manuel Alonso, co-lead of the eGovernment Interest Group at […]

Turin: Italian Open Data kicks off!

This post was cowritten by Friedrich Lindenberg, CKAN developer, and Stefano Costa, lead of OKF Italia. Driven by the powerful combination of late-night espresso and a room full of italian open data enthusiasts, the Italian instance of CKAN received a major push of new pacchetti dati last thursday in Turin. Most of the data sources […]

Launch of, a community driven French open data catalogue

A quick note to announce (and celebrate!) the launch of a new community driven French open data catalogue, last Friday in Paris. The catalogue is a joint initiative between the Open Knowledge Foundation and Regards Citoyens. Efforts are currently underway to populate the catalogue with information about French public datasets, including legal information about […]

CKAN v1.2 Released together with Datapkg v0.7

We’re delighted to announce CKAN v1.2, a new major release of the CKAN software. This is the largest iteration so far with 146 tickets closed and includes some really significant improvements most importantly a new extension/plugin system, SOLR search integration, caching and INSPIRE support (more details below). The extension work is especially significant as it […]

Let’s build a Debian for Development Data

The following guest post is from Rolf Kleef who is a member of the OKF’s Working Group on Open Knowledge in Development. It was originally posted here. I just returned from an intense week in the UK: an IKM Emergent workshop in Oxford, and the  Open Government Data Camp in London had me almost drowning […]

Interested in open government data in Europe?

As you may know the OKF is working on an EU funded project called LOD2. Part of the project aims to bring together openly licensed, machine-readable datasets from local, regional and national public bodies throughout Europe. It will also provide free/open source tools and services for those interested in reusing open government data. We are […]

Announcing the LOD2 project

I’m very pleased to announce that the Open Knowledge Foundation is a consortium partner in the recently funded FP7 project LOD2. From the overview: Over the past three years, the semantic web activity has gained momentum with the widespread publishing of structured data as RDF. The Linked Data paradigm has therefore evolved from a practical […]

Next version of the Linked Open Data cloud based on CKAN!

Many of you will be familiar with the now ubiquitous Linked Open Data cloud diagram, maintained by Richard Cyganiak. The diagram illustrates efforts to link together many different data sources, from the CIA World Factbook to DBpedia, a structured database of information extracted from Wikipedia. It looks like this: We’re very pleased that the diagram’s […] releases CKAN Drupal Module

We’re delighted to see that the folks have released the code for their CKAN Drupal module. As many will know, the OKF’s CKAN powers as well as over a dozen other data catalogues around the world. From the blog post: As part of the government’s ongoing work around transparency, today we are releasing […]

Learning from Libraries: The Literacy Challenge of Open Data

The following guest post is from David Eaves who is the founder of, an open data portal powered by our CKAN software that crowdsources the location of open data sets in Canada (Canada has no equivalent of or David is also a member of the OKF’s Working Group on Open Government Data. […]

Launch of for open data in Italy!

The following guest post is by Stefano Costa and Federico Morando. Stefano Costa is a researcher at the University of Siena and Coordinator of the OKF’s Working Group on Open Data in Archaeology. Federico Morando is Managing Director & Research Fellow at the NEXA Center for Internet & Society and a member of the Working […]

Open government data in the UK, US and further afield: new report

We’re extremely proud that – the UK Government’s open data portal – uses CKAN, OKF’s open source registry of open data. In the months in 2009 that led up to the release of, OKF worked closely with the Cabinet Office to help them realise their vision of making public data publicly available in […]

Momentum building for open government data in Norway

The following guest post is from Olav Anders Øvrebø, Assistant Professor at the University of Bergen, and member of the Open Knowledge Foundation‘s Working Group on EU Open Data. This text was first published as a European Public Sector Information Platform Topic Report on A series of promising new initiatives gives reasons to be […]

CKAN v1.0 Released

We are pleased to announce the availability of version 1.0 of the CKAN software, our open source registry system for datasets (and other resources). After 3 years of development, twelve point releases and a several successful production deployments around the world CKAN has come of age! As well as being used to power and […]

Data Hunt events for Open Government Data?

At the Open Knowledge Foundation we have been working hard to support the development of open data catalogues around the world. The main purpose of these is to make official datasets easy to find and to reuse — whether by researchers, journalists, or web developers building new applications or services for citizens. Work is underway […]

Canadian citizen-driven data catalogue is powered by CKAN

Not so long ago we were in contact with David Eaves, a Canadian public policy analyst and open government data advocate (who advises the Mayor of Vancouver about open data and open government), about starting an catalogue for Canadian open government data. A couple of weeks ago he and a small team of coders and […]

Thoughts from the GLA’s Possibilities of Real Time Data conference

The following post is from David Read, a developer working on the Open Knowledge Foundation’s CKAN project. David attended the Greater London Authorities’ Possibilities of Real Time Data conference earlier this week. London’s authorities have opened up lots of their data this year, kicking off in January with the launch of the London Data Store […]

Launch of Norwegian instance of CKAN!

The following guest post is from Olav Anders Øvrebø, Assistant Professor at the University of Bergen, and member of the Open Knowledge Foundation‘s Working Group on EU Open Data. At the government data project at the University of Bergen, we see the Norwegian language version of CKAN, launched this week, as a significant step on […]

A free software model for open knowledge

Notes describing the talk on the work of the Open Knowledge Foundation given last week at Jornadas SIG Libre. I was happily surprised to be asked to give this open knowledge talk at an open source software conference. But it makes sense – the free software movement has created the conditions in which an open […]

Libraries in Cologne open up bibliographic data!

The following press release is reproduced with permission from Adrian Pohl and Felix Ostrowski, who are both at the North Rhine-Westphalian Library Service Center and who are both members of the Open Knowledge Foundation’s Working Group on Open Bibliographic Data – launched earlier this month. We’ve added a koeln-library-data package to the bibliographic data group […]

A tour of climate data at CKAN

The following guest post is by David Jones who is, among other things, a curator of the climate data group on CKAN (the OKF’s open source registry of open data) and co-founder of Clear Climate Code (which was previously featured on our blog here and here). Take a tour of some of the additions we’ve […]

Introducing Datapkg: A Tool for Distributing, Discovering and Installing Data “Packages”

Datapkg 0.5 has been released! This is the first release deemed suitable for public consumption (though we are still in alpha)! This announce therefore serves as both introduction and release announcement. Introduction From the docs: datapkg is an user tool for distributing, discovering and installing data (and content) ‘packages’. datapkg is a simple way to […]

CKAN 0.11 Released

We are pleased to announce the release of version 0.11 of the CKAN software, our open source registry of open data used in and This is our biggest release so far (55 tickets) with lots of new features and improvements. This release also saw a major new production deployment with the CKAN software […]

Interested in making an open data catalogue? Virtual meeting on 11th February 2010

We’ve been working hard to set up instances of CKAN for open government data – most notably in but also for open government data in Germany, France, Canada and elsewhere. We are currently soliciting for feedback on how we can improve CKAN’s user interface and for suggestions for new features. We’re also in touch […] goes public – and its using CKAN! goes public today, and we’ve very proud that it is using CKAN, our open source registry of open data, to list official UK government datasets (as we announced in October): We’ve been working closely with the Cabinet Office team to get this out the door, and over 2500 datasets have been released via the […]

Datapkg 0.4 Released

Just in time for demoing at the Chaos Computer Congress (where I’m speaking about Componentization and CKAN), datapkg 0.4 has been released. For those who haven’t heard about datapkg before: datapkg is a tool for distributing, discovering and installing knowledge (data and content) ‘packages’. datapkg is a simple way to ‘package’ data building on existing […]

OKF talking at Chaos Computer Congress in Berlin

Several of us from the Open Knowledge Foundation will be at the Chaos Computer Congress in Berlin after Christmas. The 26th Chaos Communication Congress takes place from December 27th to December 30th 2009. OKF Director Rufus Pollock will give a talk on ‘CKAN: apt-get for the Debian of Data‘. If you’re planning to attend, we’d […]

UK Government announces lots of new open data!

This morning UK Prime Minister Gordon Brown announced plans to open up lots more UK Government data! His speech describes plans to put much more detailed information online under open licenses in 2010. This includes: public services performance data – including on crime, hospitals and schools new transport data geospatial data from Ordnance survey (as […]

Climate Change, Climate Sceptics and Open Data

With the United Nations Climate Change Conference in Copenhagen starting on Monday, it is of vital important that there is consensus on the scientific evidence about climate change, in order to inform debates about the best course of action for the international community. Sharing the same basic picture about the climate, global warming and the […]

After the Open Data and Semantic Web Workshop

Last week we had a workshop on Open Data and the Semantic Web in London. There were some excellent talks, demos and discussions – and documentation is now online! As a result of discussions we had at the workshop, we now have two new volunteer positions at the Open Knowledge Foundation. If you’re interested in […]

Open data on cities: an international round up

Over the last few months there have been lots of exciting announcements about open data from cities around the world. We decided to take a look at what is currently out there – in particular taking note of: Whether datasets are open as in the Open Knowledge Definition – i.e. whether they explicitly say that […]

New CKAN features!

We’ve recently been working hard to improve CKAN. Now you can try out some of the new features… Groups – While CKAN already allows packages to be categorized with tags, which anyone can edit, now you can create curated groups of packages. Group administrators control who can edit the packages associated with a given group. […] Launched – and it’s Using CKAN

The UK Government’s public sector data site launched last week in a private beta — and it’s using CKAN as its backend for storing all its dataset info! They’ve got more than a 1000 existing data sets, from 7 departments, all brought together for the first time in a re-useable form. They’re eager to get […] – a registry of open government data in Sweden is a registry of open government data in Sweden: is an initiative to highlight available public datasets in Sweden. It contains a commentable catalog of government datasets, their formats and usage restrictions. It makes a note of what percentage of the datasets are fully open – i.e. material that is free for anyone […]

Opening Up Government Data: Give it to Us Raw, Give it to Us Now

Last month Rufus Pollock, Director of the Open Knowledge Foundation, spoke at OpenTech 2009 in a session with Richard Stirling of the Cabinet Office and John Sheridan of the Office of Public Sector Information. His talk gave a blueprint for how to open up government data: Opening Up Government Data: Give it to Us Raw, […]

CKAN 0.9 Released

We are pleased to announce the release of CKAN version 0.9! CKAN is the Comprehensive Knowledge Archive Network, a registry of open knowledge packages and projects. Changes include: Add version attribute for package Fix purge to use new version of Versioned Domain Model (vdm) (0.4) Link to changed packages when listing revision Show most recently […]

Open Data Session at Repository Fringe 2009

Earlier today the OKF’s Jordan Hatcher and Jo Walsh gave a tutorial on open data at the Repository Fringe 2009. There are some detailed notes on the JISC Datashare blog: Repository Fringe 2009: Afternoon Tutorial (Open Data) Jo gave an overview of the Open Knowledge Foundation – in particular focusing on four principles for developing […]

New business models for subscription services?

There are a lot of subscription based models around for access to data services. I notice this more since I’ve been working for UK HE/FE. One example of such a service is the SCRAN image archive, another is the Statistical Accounts of Scotland. The subscription-based model has to expose something to prove it’s worth subscribing […]

Open dictionary databases: an overview

Open dictionaries are excellent examples of open knowledge projects. Whether monolingual or bilingual, and whether dealing with definitions, etymology, translation or pronounciation – they can often be large, collaborative undertakings. Dictionary databases have a wide variety of potential applications – from education and research to machine translation and integration with software applications and services. We’ve […]

Virtual meeting for Working Group on Open Data in Science

Next Tuesday 2nd June the Working Group on Open Data in Science will have their first meeting. While the meeting will focus on the Working Group’s activities, anyone is welcome to participate. Details are as follows: When: 2nd June 2009, 1600 GMT Where: #okfn IRC channel on (you can connect via Mibbit) Wiki: […]

CKAN 0.8 Released

A new release of CKAN is now out together with a new, and substantially improved versioned domain model library. Changes include: View information about package history (ticket:53) Basic datapkg integration (ticket:57) Show information about package openness using icons (ticket:56) One-stage package create/registration (r437) Reinstate package attribute validation (r437) Upgrade to vdm 0.4 The CKAN code […]

European Open Data Summit

Last week was the first European Open Data Summit in Brussels (which we blogged about here) organised by EU Transparency, who created The event brought together journalists, researchers, civic hackers, and representatives from European institutions for two days of documenting and building on documents and datasets from European institutions and member states. At the […]

CKAN package party and general online meetup: Saturday 16th May 2009

We’re planning another CKAN package party + general OKFN online meetup for Saturday 16th of May. It’s a general meetup but with a focus on CKAN packaging so feel free to come and chat about anything open knowledge related — everyone and anyone is welcome. When: Saturday 16th May 2009, 1430-1730 BST (1330-1630 GMT, 0930-1230 […]

European Open Data Inventory

We’re currently working on a European Open Data Inventory: This is an inventory of EU-relevant datasets that is being compiled by EU Transparency, the NGO that made and the Open Knowledge Foundation. It includes data that is already available, as well as data that we know exists but is not published – from budget […]

CKAN 0.7 Released

Just in time for our upcoming workshops a new version of CKAN (v0.7) is ready. It provides some major improvements including: Convert to use SQLAlchemy and vdm v0.3 (v. major) Atom/RSS feed for Recent Changes Package search via name and title Tag lists show number of associated packages The CKAN code is available from: […]