The best alternatives to Appfaqs are HelpSite.io, SlimFAQ, and FaqFox. If these 3 options don't work for you, we've listed a few more alternatives below.
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Postman Recorder by DevTools— Export Postman APIs from browser
HelpSite.io is the easiest way to make a Knowledge Base or Support Center for your customers that's beautiful, mobile-friendly, and searchable so your customers can find answers fast. Our FAQ sites are responsive, easy to customize, looks good out of the box, and even supports custom domains on our Free plan.
webcomet lets you create and manage FAQs and knowledgebases that are easily published onto your websites. It's easy to use and suits inexperienced users, as well as more advanced users that want to customize, tweak and get insightful statistics of the usage.