The following links provide a brief introduction to datasets, tools and examples for working with open data. The lists of country and city open data portals are extremely incomplete, and just there to get you started.

What is open data?

Openness has a definition: The Open Definition

Other key points:

Key not-for-profit organisations involved in promoting and using open data:

A quick look at Open Government Data


Trans-national initiatives:

Some Country-level Open Data Portals:

UK City and Local Authority Portals:


Miscellaneous list of other places:

Resources for learning about data

Forumms, courses and tools:

Tabular Data


Map APIs

SNS Linked data:

So you have a cool idea?

Before investing too much time in starting a business around open data, have a look at what others have done:

More open data

Please send suggestions, corrections and updates to ewan [at]

Last edited: 9 October 2016