The best alternatives to MyTwoCents are Cusdis, Huddle, and ETHTalk. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— Speech-to-Text API with superhuman accuracy
Huddle is a comment section built-in to your browser. Join the discussion on any page you're browsing, whether it's a Netflix show, podcast, Zillow listing, news article, eBay item or work file. Get the Huddle extension free from the Chrome Web Store.
EthTalk is a comments widget implemented and designed for the Ethereum ecosystem, lets visitors leave comments on your website with their non-custodial Ethereum account. (No Facebook or Google accounts needed to comment anymore 😎)
CMMNTZ is a next-generation application utilizing technology to fix what is broken with online commenting: high moderation costs, trolls, spam, flame wars, monopolizers, and vitriol. Users and online publishers will both benefit.