In this guide we show you how to install Flatpak on Ubuntu 18.04 LTS and above to unlock a world of new and updated software via Flathub. Recent versions of Ubuntu come with support for Snap apps out of the box — but Snaps aren’t the only universal package format on the scene. Regular readers will have noticed an uptick in the number of Flatpak apps we mention on these very pages. Indeed, it was a reader who asked if I could put together a step-by-step guide on how to install Flatpak in Ubuntu, how to set up the Flathub repo, and how to install Flatpak apps. The official Flatpak website has a great setup guide covering multiple distributions. The guide that follows is adapted from that, but with added screenshots, background details, and tips. What is Flatpak? Spotify is available as a Flatpak app Flatpak is a ‘next-generation’ Linux app format developed by Red Hat and used in Fedora. It’s similar to Snappy in many ways: apps are sandboxed; c...