The best alternatives to Sitedex are VisualSitemaps, Flowmapp, and Octopus. If these 3 options don't work for you, we've listed a few more alternatives below.
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AssemblyAI— The most accurate API for conversational speech-to-text
VisualSitemaps automatically generates high-quality visual sitemaps + high-res screenshots of any site or app, making it fast and easy to perform in-depth site audits for SEO, UX and marketing research.
Slickplan provides everything you need to plan a website. Create visual sitemaps, content plans, user flow diagrams & design mockups in seconds with Slickplan. Intelligent tools streamline the website design process. When finished, share your website plans to clients, team members or company stakeholders as a PDF or HTML link.