The best apps for freelancing are Fiverr, Freelancer, and Upwork. Upwork facilitates the connection between independent contractors and companies in need of afunny slots variety of abilities and services, such as digital marketing, programming, and graphic design. While Fiverr enables independent contractors to post gigs showcasing their abilities & services, Freelancer provides freelancers with opportunities comparable to those found in other industries. Advantages & Prospects.