Ofcoarse there are other cryptocurrencies rather than just XMR and Bitcoin that people actually use. There is XRP that is used by many banks and financial institution to sold problems such as liquidity, scalability, transaction speed and transaction fees. There are also ETH and LTC that are used as platforms for developing new projects. Another cryptocurrency is golem GNT that has a use in real world.

It helps sell people their computer power in exchange for money when not in use. There are quite many coins with real life applications other than just bitcoin and XMR.