Hello friend! Here you can find various resources on how to isolate yourself from the reach of the mainstream and the censors. These resources will help you be entirely sovereign on the internet, having complete control over your data and stuff.
Landchad is a website that turns internet peasents into internet landlords. If you're somewhat savvy with Linux/general computing usage, the tutorials on this website will bring you to a level of self-dependency that you've only ever dreamt of. To visit it, either go to https://landchad.net/ or click the heading above this paragraph.
Alternatively... You can join/interact with the platforms that I've already set up!
If for example you wish to use a much safer, private, and secure (just all round cooler) messaging service, you may want to create an account on Element which is a popular front-end client for Matrix. This will allow you to interact with people who host their own Matrix instances, such as myself. If you wanted to message me for example, you would start a direct message request (room invite) to @danny:sutcliffe.xyz.
You may also be interested in freeing yourself from the authoritarianism of mainstream social media sites, then you might be intersted in what's called the "fediverse" ("fed" meaning federated, "iverse" meaning universe, federatred universe). This is a collection of different "social media" services that interact with one another, essentially, you can run your own social media platform, or join one that somebody has already set up to interact with other users on that instance and on other instances.
To join this, you can either run your own instance (best for if you want total control over what you can/can't post etc), or you can join a public instance. One of the largest public instances is hosted on Mastodon, it is mastodon.social. From here, you can post/interact with both users on this instance and on others! If you wanted to follow me for example, you would search for "@danny@social.sutcliffe.xyz" and you will see that I appear at the top of the list.