The best alternatives to Fixpark are SpyBuster, OwnID, and Virusdie. 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
SpyBuster is a free anti-spyware tool for macOS that helps to secure user data by detecting apps and websites that originate from or connect to servers in russia and belarus. You can block unwanted connections and make sure your data is safe.
OwnID is a passwordless add-on for your website. With OwnID, your users can authenticate with biometrics, instead of a password, using a minimalistic button that blends seamlessly into existing forms.
Level up your websites accessibility with the all in one tool to guide you through your issues, how to fix, and get notified as new problems arise on your website. Include a trusted secure CDN that can provide fixes on the fly to keep everyone happy.