Pinster is a smart knowledge manager that uses AI to help you save, organize, and access your bookmarks efficiently. Its main features include AI-powered summaries, smart tagging and categorization, and the ability to chat with your bookmarks to extract insights. It supports storing links, PDFs, images, and notes for enhanced reference and organization. Pinster helps individuals stay organized and manage their personal reading libraries effortlessly, making it a valuable tool for researchers, students, professionals, and knowledge seekers.