I like the idea of 'Snaps' and 'Flatpaks' but I have some serious reservations.Hello everybody!!!
What do you think about Snapcraft?
launchpad.net is a site founded by Ubuntu some years ago, and it is here that many PPAs reside. SourceForge may have some involvement as well.Personal Package Archives for Ubuntu
Personal Package Archives (PPA) allow you to upload Ubuntu source packages to be built and published as an apt repository by Launchpad. You can find out more about PPAs and how to use them in our help page.
Search user-contributed software packages published in any Ubuntu PPA.