Linux distributions with an official Mastodon account (On the official website, I found a link to Mastodon):
#MXlinux
https://mastodon.social/@mxlinux
#EndeavourOS
https://mastodon.social/@EndeavourOS
#Elementary
https://mastodon.social/@elementary
#KaliLinux
https://infosec.exchange/@kalilinux
#AlmaLinux
https://fosstodon.org/@almalinux
#SparkyLinux
https://mastodon.social/@SparkyLinux
#Kubuntu
https://mastodon.technology/@kubuntu
#Alpinelinux
https://fosstodon.org/@alpinelinux
#Solus
https://fosstodon.org/@Solus
#Rockylinux
https://fosstodon.org/@rockylinux
#lubuntu
https://mastodon.technology/@lubuntu (instance dead!)
#KaisenLinux
https://mastodon.social/@KaisenLinux
#OpenMandriva
https://linuxrocks.online/@openmandriva
#Emmabuntus
https://framapiaf.org/@Emmabuntus
#Ubuntustudio
https://mastodon.art/@ubuntustudio
#Raspberry_Pi
https://raspberrypi.social/@Raspberry_Pi
#Calculate Linux
https://calculate.social/about
#Siductionlinux
https://floss.social/@siductionlinux
#OpenSuse
https://fosstodon.org/@opensuse
#KDE
https://mastodon.technology/@kde (instance dead!)
@linka thank you