Do you still use an older or unsupported Ubuntu on your computer? Don't want to upgrade for some reason? Then, you might want to update or install some new applications but you find it impossible. Good news for you! There are several solutions to fulfill these needs, which are, by making use of Flatpaks, AppImages and Snaps (let's call them FAIS for easier naming). Let's see how FAIS help us to run latest versions of LibreOffice, OnlyOffice, FreeCAD, Nextcloud Server some games and many more on Xenial Xerus (16.04 LTS) as the following. We deliberately chose Xenial so you can be sure that running them on newer Ubuntu will work.
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