#SelfHosting and #CommunityHosting are when you run your own server for yourself or your community. This means you can have full control over whatever services run from that server, for example email or social networking.
It has traditionally been quite difficult to run a server, but there are a number of projects on the Fediverse that are trying to make it easier:
📦 FreedomBox: @freedomboxfndn
🍭 Lollipop Cloud: