The lavish perks that can go along with full-time jobs, particularly in Silicon Valley, have become the stuff of legends—free gourmet lunches, on-site haircuts, chauffeured commutes, rooftop walking trails. For many companies, dedicating time and resources to keeping employees happy, so they work harder and stay around longer, is a no-brainer. However, far less energy is dedicated to the freelance workforce, despite their increasing presence in workplaces across the country.