fosstodon.org is one of the many independent Mastodon servers you can use to participate in the fediverse.
Fosstodon is an invite only Mastodon instance that is open to those who are interested in technology; particularly free & open source software.
If you wish to join, contact us for an invite.
Episode 501 of the Linux Unplugged podcast features an insightful interview with @ramcq on Flatpak and the exciting plans for Flathub in 2023! Check it out on your podcast app.