O'Reilly

O'Reilly Media, founded in 1978 by Tim O'Reilly and headquartered in Sebastopol, CA, began as a technical publisher and now operates a large enterprise online learning platform. It offers 60,000+ titles, 30,000+ hours of video, live online training, interactive coding environments, and certification prep across technology and business skills. More than 60% of Fortune 100 companies use the O'Reilly learning platform for employee upskilling, serving nearly three million users. For employers, O'Reilly provides enterprise licensing with private training and custom learning paths.