Love Planet is an app very famous in Russia but working worldwide especially in South America, you can swipe girls and guys if you like them you can chat.
OkCupid is a very famous dating website, you can create a profile and chat with millions of girls worldwide, like hotcupido this is a great website for love, sex and more.
Plenty of Fish brought together millions of people, there is also a mobile app and even though they design of the website is gross, it still works like a charm.