I personally self host

- email

- a couple meta search engines (librex and searxng)

- a couple of invidious instances

- an xmpp server for chatting with friends

- an openvpn instances

- tor as dns resolver

- pihole as dns blocker (even locally on my laptop)

- jitsi for video meetings

- some webservers (i don't do AWS or similar stuff)

- translation service

- pastebin

- nitter

- gothub

-nextcloud for pictures, address book from my phone (GrapheneOs)