Do you want to create your own Fediverse instances?
By far the easiest way is to use a managed hosting service such as:
The hosting service does the tech stuff, but you own and run the instance.
DO IT ALL YOURSELF
Alternatively, you can do all the tech stuff yourself. This requires a lot more skill, but it gives you a lot more flexibility with choosing software.
Halfway between these two extremes is @yunohost, server software which lets you install your own online services extremely easily:
Once Yunohost is installed on a server, you can add and remove services yourself through a graphical interface.
Fediverse services include:
There are also many, many other services:
Including WordPress in this category is nice since by default it does not speak ActivityPub.
But I understand that there is a plugin for WordPress to make it speaks ActivityPub.
Note: I love WordPress, albeit it is getting more and more bloated with features.
More green websites: https://www.thegreenwebfoundation.org
A general-purpose Mastodon server with a 1000 character limit.