What I self host
As a open source enthusiast and supporter, I self host a few software to my own use and for profesional use
Openfire
A XMPP server for encrypted communications
Jitsi Meet
A video conference suite
Gitlab
For hosting code and managing deployments
Nginx
As a reverse proxy and webserver
Wordpress
When creating sites that need a CMS
Astro
Strictly not a thing to self host, but I do host many sites built with astro.