Twitter is not a free platform. It actively suppresses the voices of the left and protects the far right.

I do sincerely support free speech. I think it looks a lot more like the Fediverse than Twitter.

If you have common sense, you do not need a dedicated program.

If you want to be extra sure, then of course you can download ClamAV and/or rkhunter. Still, the average user does not need them.