Data.gov The home of the U.S. Government’s open data. Here you will find data, tools, and resources to conduct research, develop web and mobile applications, design data visualizations, and more.
The Dataverse Project. The Dataverse is an open source web application to share, preserve, cite, explore and analyze research data. It facilitates making data available to others, and allows you to replicate others’ work. Researchers, data authors, publishers, data distributors, and affiliated institutions all receive appropriate credit.
The European Data Portal harvests the metadata of Public Sector Information available on public data portals across European countries. Information regarding the provision of data and the benefits of re-using data is also included.bPublic sector information is information held by the public sector. The Directive on the re-use of public sector information provides a common legal framework for a European market for government-held data. It is built around the key pillars of the internal market: free flow of data, transparency and fair competition. It is important to note that not all of the public sector information is Open Data.
MAPS: Data Sources for Criminal Justice Analysis. The National Archive of Criminal Justice Data. Data collected during all NIJ-funded grant projects are archived in the National Archive of Criminal Justice Data (NACJD), located within the Inter-University Consortium for Political and Social Research. Data sets are typically provided as statistical files and often include a code that allows analysts to link them to GIS data. NACJD data are free and available to the public.
opendata.swiss is the portal for Swiss open government data (OGD). Here you can download Swiss government data free of charge.
UK Data Archive: acquires, curates and provides access to the UK’s largest collection of social and economic data.