nitter.cf is a controversial one because (a) it's not real Nitter - it's an AI translation into Rust and (b) - it's run by a person who also runs a child porn site
You can use twiiit.com or xxcancel.com to redirect you to any nitter that's currently working.
The answer is not to sign up to X, but to learn to suppress your FOMO. Chances are it was drivel anyway. Especially true for LinkedIn.