Digital accessibility software helps organizations ensure their websites, mobile applications, and digital documents are usable by people with disabilities and comply with standards including WCAG, ADA, Section 508, and EN 301 549. The category spans automated scanning tools that detect accessibility barriers in code and design, developer-integrated testing frameworks for shift-left quality assurance, expert-led manual audits that evaluate nuanced user experience issues, accessibility overlay widgets that attempt runtime remediation, and user testing programs with people with disabilities. The market has evolved from purely compliance-focused scanning toward continuous monitoring throughout the software development lifecycle, with growing integration into CI/CD pipelines and design systems. Recent advances incorporate AI to improve automated detection accuracy and assist in remediation suggestions, though human evaluation remains essential for contextual judgment.