GNU Taler is described as 'Privacy-preserving payment system. Customers can stay anonymous, but merchants can not hide their income through payments with GNU Taler. This helps to avoid tax evasion and money laundering' and is a payment processing service in the business & commerce category. There are more than 100 alternatives to GNU Taler for a variety of platforms, including Web-based, iPhone, Android, iPad and Android Tablet apps. The best GNU Taler alternative is PayPal. It's not free, so if you're looking for a free alternative, you could try PayPal or Open Collective. Other great apps like GNU Taler are Stripe, MiniPay Wallet, Skrill and Venmo.