For our US customers, all subscription prices are exclusive of tax. Being located in Massachusetts, we do not collect sales tax, as the state does not collect sales tax for digital subscriptions.
For our Australian customers, we do not collect GST for our subscriptions. Our GST turnover from sales that are connected with Australia does not meet nor exceed the registration turnover threshold required to collect GST. (https://www.ato.gov.au/business/international-tax-for-business/gst-on-imported-services-and-digital-products)
For other international locations, we are currently evaluating and studying the applicable laws we need to comply to in order to collect and remit sales tax for your territory. Because of this, our invoices currently do not have sales tax factored in.