PolicyEngine-UKPolicyEngine tax and benefit system for the UKbenefitmicrosimulationsocialtaxeconomic-policyeconomicsinequalitypolicypovertypsl-catalogedpublic-policypythonunited-kingdom
OpenFisca-FranceOpenFisca Rules as Code model for France.microsimulationtaxbenefitracrules-as-codefrancebetter-ruleslegislation-as-code
OpenFisca-CoreA versatile microsimulation free softwarebenefitmicrosimulationsocialtaxbetter-ruleslegislation-as-coderules-as-code
policyengine-coreCore microsimulation engine enabling country-specific policy models.taxbenefitmicrosimulationframework
avataxA Ruby wrapper for the AvaTax REST and Search APIsavalaraavatax-ruby-gemrubyruby-sdksales-taxtaxtax-ratetax-rates
taxjar-rubyRuby wrapper for Taxjar API, more info at developers.taxjar.comecommercerubyruby-gemsales-taxsales-tax-apitaxtax-ratetaxjar
codice-fiscaleCalculate the Italian Tax ID (Codice Fiscale)calculatorcodice-fiscalecodicefiscalegeneratoritalianitalyrubyrubygemstaxtaxid
policyengine-usPolicyEngine tax and benefit system for the USbenefitmicrosimulationsocialtaxeconomic-policyeconomicsinequalitypolicypovertypublic-policypythonunited-states