It depends on the context.
Licence is a noun, e.g. a driver's licence.
License is a verb, e.g. He is licensed to sell firearms.
Australians typically spell "organise" with an "s" instead of a "z" as "organise."
program or programme
Thermometer
I'm not Aussie but I believe it is spelled as fulfil.
Yes, Australians typically spell "personalization" as "personalisation," using the British English spelling with the '-ise' suffix instead of the American English '-ize' suffix.
License
The correct spelling is "license".
once you can spell felony... you can get a liquor license
licence (noun) = licencia(to) license (verb) = licenciar
Australians spell "maximize" as "maximise," using the British English convention. This spelling reflects the preference for "s" over "z" in certain words. Thus, in Australian English, you'll commonly see "maximise" used in both formal and informal contexts.
Australians spell "amazing" the same way as in other English-speaking countries: A-M-A-Z-I-N-G. There are no variations in spelling for this word in Australian English. However, they might use different slang or expressions to convey amazement in casual conversation.
License or licence depending on your meaning. License is the verb, "I license this bar." Licence is the noun,"My driving licence."