For the same reason given for Nitter stopping, it is unlikely that you'll find a public service like that. There are nitter-like options, including forks of nitter itself, that you can self-host to give a better UX, but with those you have to have a twitter⁰ account for it to login with.
Another option (that also requires an account) is to use twitter⁰ itself with a browser extension that tweaks the UI.
My solution is the one I've been using for a _long_ time: simply don't go there. It has never been more than a novelty-gone-wrong, unless you count “a cesspool of humanity” as more, and as far as I know I've not missed out on anything significant. If you want me not to know what you have to say, say it on twitter⁰! Though I acknowledge that this is not an acceptable solution for all.
In terms of a browser extension for Twitter, I highly recommend Control Panel for Twitter. It works as a browser extension as well as on some mobile browsers. It is highly customizable to filter out who/what you don't want to see and is fully open source if you feel the need to tweak.
It's updated regularly and the creator is highly active on Twitter to provide updates and answer questions - @ControlPanelFT
If you decide to use it, drop the guy a donation, they work hard on it!
That looks interesting in theory, but unfortunately it was last updated in Feb 2022 so I would doubt highly it still works. There were a great deal of 3rd party tools to reduce abuse, bots and known bad actors on Twitter, but Elon took that all away when he restricted access to the API to only those paying $42k/month.
I haven't actively been on Twitter since July, but after he essentially removed the majority of moderation staff after he bought the place, reporting people is basically a non-working feature anyway. I remember getting a notice on someone I reported 3 months after the fact.
Another option (that also requires an account) is to use twitter⁰ itself with a browser extension that tweaks the UI.
My solution is the one I've been using for a _long_ time: simply don't go there. It has never been more than a novelty-gone-wrong, unless you count “a cesspool of humanity” as more, and as far as I know I've not missed out on anything significant. If you want me not to know what you have to say, say it on twitter⁰! Though I acknowledge that this is not an acceptable solution for all.
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[0] The site desperately trying to be known as Χ