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.
Openness has a definition: The Open Definition
Other key points:
Key not-for-profit organisations involved in promoting and using open data:
Overviews:
Trans-national initiatives:
Some Country-level Open Data Portals:
UK City and Local Authority Portals:
Scotland:
Miscellaneous list of other places:
Course and tools:
Tabular Data
Dataviz:
Map APIs
SNS Linked data:
Before investing too much time in starting a business around open data, have a look at what others have done:
Please send corrections and updates to ewan [at] inf.ed.ac.uk
Last edited: 16 October 2014