The Best Recruiting ATS, According to Recruiters and Business Leaders To understand the best Applicant Tracking Systems (ATS) in use today, we asked four professionals, including Human Resources Managers and CEOs, about their preferred ATS and why they chose it. From BambooHR to Workday, discover the top four ATS systems these leaders find most effective for their organizations. BambooHR: Comprehensive and Accessible ATS Workable: Affordable and Customizable ATS Greenhouse: User-Friendly