HEATKEYS

This useful resource provides all the maps of the world, continents and countries, latest news maps and information on sport events and world maps along with engaging write ups.

Find latitude and longitude of any known location by clicking it on a map or entering zip codes or addresses. Batch geocode a list of locations. Convert decimal degrees to degrees minutes seconds and vice versa.

A travel directory with worldwide travel links. Guide about popular destinations.

World Atlas is an educational resource for world maps, atlases, and in-depth geography information. Teachers and students: free maps of Europe, USA, Canada, Florida, Caribbean Islands and much more. Worldatlas.com

Help Center for MapTiler - Map Tile Cutter (Map Overlay Generator not only for Google Maps and Google Earth).

MathWorks is the world’s leading developer of technical computing software for engineers and scientists in industry, government, and education

R news contributed by (~130) R bloggers

RANDOM.ORG offers true random numbers to anyone on the Internet. The randomness comes from atmospheric noise, which for many purposes is better than the pseudo-random number algorithms typically used in computer programs.

EPSG.io: Coordinate systems worldwide (EPSG/ESRI), preview location on a map, get transformation, WKT, OGC GML, Proj.4. http://EPSG.io/ made by @klokantech

Greenwich Mean Time (GMT). What is GMT? Complete guide to time and time zones; summer time and daylight-saving time world-wide

Esri

Want to know more about all the countries in the world? This site provides country profiles, maps, geography, and information about governments, culture, travel, languages and more.