Update-manager is a frontend for the apt package management system. It allows you to perform some actions of the command line tool apt-get in a graphical interface. Developed by Michael Vogt
License: Open Source
Ubuntu Update Manager is specifically designed for Ubuntu systems, offering seamless integration and automatic update checks, while FileHippo App Manager supports a broader range of applications with features like older version downloads and notifications for new releases. Both tools serve the purpose of managing software updates, but their user bases and functionalities differ significantly.