Ubuntu Update Manager is described as 'One of the great things about using open source software is the frequency with which bugs are fixed, security holes are patched, and new features are added' and is a popular app in the OS & Utilities category. There are more than 25 alternatives to Ubuntu Update Manager for a variety of platforms, including Windows, Linux, Online / Web-based, Mac and KDE. The best alternative is Chocolatey, which is both free and Open Source. Other great apps like Ubuntu Update Manager are SUMo (Freemium), Synaptic (Free, Open Source), Patch My PC (Free Personal) and Ketarin (Free, Open Source).
Synaptic is a graphical package management program for apt. It provides the same features as the apt-get command line utility with a GUI front-end based on Gtk+. * Install, remove, upgrade and downgrade single and multiple packages. * Upgrade your whole system.
Software Informer is a programme, whose primary aim is to give you the up-to-date information about the software you actually use. Whenever a more recent version of any programme becomes available, Software Informer notifies you and offers a link for downloading the update.
The MacPorts Project is an open-source community initiative to design an easy-to-use system for compiling, installing, and upgrading either command-line, X11 or Aqua based open-source software on the Mac OS X operating system.