There are several popular sites similar to Rubmaps that can be used for online dating. OKCupid and Plenty of Fish have been around for a while and offer free services, making them popular choices. Tinder is another option that has become increasingly popular in recent years, providing an easy way for singles to meet potential partners with the swipe of a finger. Hinge is also gaining traction as it focuses on creating deeper connections through shared interests, rather than just looks.