Flattr is worth investigating: https://flattr.com/ https://flattr.com/ Also you can ask for Bitcoin / Litecoin donations depending on how technical your visito

Flattr is worth investigating: https://flattr.com/ https://flattr.com/ Also you can ask for Bitcoin / Litecoin donations depending on how technical your visitors are. I know you want normal currency, but you can convert BTC using Coinbase and other exchanges