Apps that let users showcase their skills and get in touch with potential clients are vital for independent contractors and remote workers. Popular options for indepehow to play slotsndent contractors wishing to market their skills in writing, graphic design, programming, and other fields are Upwork, Fiverr, and Freelancer. On the other hand, you can make money by renting out your house, car, or pet sitting services if you're looking for passive income opportunities through apps like Airbnb, Turo, and Rover.