The best alternatives to Wikiyarn are WikiWand, Cwiki, and sheet2api. 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
Turn any Spreadsheet into a API. No coding required. sheet2api supports Google Sheets or Excel Online Spreadsheets. Simply connect your spreadsheet to sheet2api and use it an API, Website CMS and more.