DVLA Vehicle Enquirygov.uk
Official UK service that returns make, colour, tax and MOT status, engine size and first-registration date for any UK registration number.
vehicledetails
tools / nhtsa-vin-decoder
NHTSA VIN Decoder
Official US government VIN decoder. Returns manufacturer, model, year, body type, engine and plant information for a 17-character VIN. Free API available.
freeapiweb
similar tools
PlatesManiaplatesmania.com
Crowdsourced database of photographed licence plates from dozens of countries. Search a plate to find photos of the vehicle, often with a location and date.
vehiclelocationimagedetails