New answers tagged free-data
Which part of the world are you looking at? Archival SPOT imagery is available in many areas,but may be restricted to education and research uses. Check NASA and USGS for data. Depending on the location and scale there may be something already done that you can use for your purposes so don't reinvent the wheel if you don't have to.
If you don't want to hard code the country list (which I don't recommend, because it changes a lot) use this URL from which you get the 2-letter code and country name in JSON format: annsystem.com/api/getCountry It also includes UN and non-UN member countries. For details and parameters see here: flossk.org/en/blog/country-list-good-all
Top 50 recent answers are included