"In the emerging data web, there have been multiple efforts working towards the same broad goal of data sharing (ie., the NeuroCommons, Linked Open Data, efforts of the World Wide Web Consortium), but are still unevenly distributed. Our understanding of the legal, social and technical issues is increasing, but still is at a very early stage."

"The Open Data Catalogue is an attempt to classify where this [open] information resides, who 'owns' it, what license it is distributed under and if it is free or not."

"We develop and host projects around transparency, participatory democracy, and generally making central and local government useful to citizens and businesses."

"a number of organizations - POGO, OMB Watch, CREW, National Security Archive, the Center for Democracy and Technology and the Open The Government coalition- and Sunlight sent a letter to Vivek Kundra, Federal CIO, about improvements needed to the release of High Value Datasets on Data.gov."

"DataSF is a central clearinghouse for datasets published by the City & County of San Francisco. -- The goal is to improve access to city data through open machine-readable formats."

"Through advocacy, artworks, toolkits, development support and public discussion we aim to enable Manchester to become an exemplar of Open Data practice. By identifying data that can be made available, and looking at issues of data interoperability, quality and management, FutureEverything aims to make Manchester a city at the forefront of the OpenData movement."

"The London Datastore has been created by the Greater London Authority (GLA) as a first step towards freeing London's data. We want everyone to be able access the data that the GLA and other public sector organisations hold, and to use that data however they see fit - for free."

"London Mayor Boris Johnson today announced the launch of a scheme to make the capital Britain's first 'Open Data' city. The London Datastore will make available for the first time a wide range of data about the city. The data will be open for all to use for free in Google Docs format."

" -- the CERN Library offers now the bibliographic book records, held in its library catalog, to be freely downloaded by any third party. The records are provided under the Public Domain Data License, a license that permits colleagues around the world to reuse and upgrade the data for any purpose."

"This consultation relates to proposals made by the Prime Minister on 17 November 2009, to make certain Ordnance Survey datasets\navailable for free with no restrictions on re-use. Scope of this consultation: The consultation seeks views about how we best implement the above proposal, in the context of other strategic options for Ordnance Survey and the wider geographic information market."

"Governments around the globe are opening up their data vaults - allowing you to check out the numbers for yourself. This is the Guardian's gateway to that information. Search for government data here from the UK (including London), USA, Australia and New Zealand - and look out for new countries and places as we add them."