Top 10 applicant tracking systems (ATS) are Greenhouse, Lever, Workable, SmartRecruiters, iCIMS, BambooHR, Jobvite, JazzHR, Zoho Recruit, and Ashby. These platforms help manage job postings, candidate pipelines, resume screening, interview scheduling, and hiring workflows. Greenhouse and Lever are known for structured hiring and collaboration, while iCIMS and SmartRecruiters are strong enterprise solutions with advanced automation and analytics. Workable, JazzHR, and Zoho Recruit are popular among small and mid-sized businesses for their ease of use and affordability. Most ATS platforms offer integrations with job boards, HR software, and recruiting tools, along with reporting dashboards and workflow automation. Overall, they help organizations streamline recruitment, improve candidate experience, reduce time-to-hire, and make better hiring decisions through centralized and data-driven talent acquisition processes.