Ubuntu’s popularity often makes it the default choice for new Linux users. But there are tons of other Linux operating systems that deserve your attention. As such, I’ve highlighted some Ubuntu alternatives so you can choose based on your needs and requirements—because conformity is boring.
Debian is good until you need to install a PPA :\
out of the loop since I’ve moved to debian and been using flatpak for the last few years, what software are you installing via PPA that isn’t generally available via flatpak?
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“PPA” is Ubuntu’s branding for third party repositories. So, of course you will have a hard time adding a Ubuntu-specific third-party repository to anything that isn’t the Ubuntu version it’s made for…
Debian of course supports third party repos, just like Ubuntu. On Debian they just aren’t called “PPA”.
For more information on how to add third party repos to Debian (or Ubuntu, if you don’t use Canonical’s weird tooling), check out the Debian Wiki page on UseThirdParty or SourcesList. There’s also an (incomplete) list of third party repositories on the wiki: Unofficial. And just like with PPAs, anyone can host a Debian repo.