openflights.org – Airport and aerodrome locations; airline flight routes
Ordnance Survey Open Data – locations and borders in the UK.
Statistics Canada – locations and borders in Canada
Thematic mapping – world borders
gadm – Global administrative boundaries
SEDAC (NASA) – Global population density
Blogs and analysis that have impressed, inspired or amused me.
DataShine – Visualisation of UK Census data from 2011
Information is beautiful – David McCandless’ blog (see also book / TED) that started me thinking about information communication
Isoscope – where can you walk / drive in a given time?
spatialanalysis.co.uk – Dr James Cheshire (UCL)
XKCD – everyone’s favourite cartoon blog