Ubuntu Software Center or simply Software Center was a high-level graphical front end for the APT/dpkg package management system. It was free software written in Python, PyGTK/PyGObject based on GTK+. Developed by Canonical, Ltd.
License: Open Source
Ketarin is primarily focused on managing Windows applications with an emphasis on automatic updates, while Ubuntu Software Center is designed for Linux users, offering a wide range of applications with integration into the Ubuntu ecosystem.