I wouldn't call the french tax system simple or made to be easily understood. Here is the code for income taxes : https://github.com/GouvernementFR/calculette-i

I wouldn't call the french tax system simple or made to be easily understood. Here is the code for income taxes : https://github.com/GouvernementFR/calculette-impots-m-source-code https://github.com/GouvernementFR/calculette-impots-m-source... But I agree the french gov is less into business.