Astonsoft specializes in developing personal information management software. The company's flagship product, EssentialPIM, is a and feature-rich application designed to manage and organize personal information efficiently. It offers tools for handling tasks such as scheduling, contact management, notes, and email integration, aiming to streamline users' daily activities. EssentialPIM is available across various platforms, including Windows, Android, and iOS, catering to a broad user base that requires synchronization and accessibility across devices.