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nft.storage
😋 NFT.Storage Classic (classic.nft.storage) offers free decentralized storage and bandwidth for NFTs on IPFS and Filecoin. April 2024 Update: Existing NFT.Storage Classic account holders can add data through their Classic accounts. New account holders can transition to the new version at NFT.Storage that preserves data in Filecoin for a small fee.
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SurveyJS
Open-Source JSON Form Builder to Create Dynamic Forms Right in Your App. With SurveyJS form UI libraries, you can build and style forms in a fully-integrated drag & drop form builder, render them in your JS app, and store form submission data in any backend, inc. PHP, ASP.NET Core, and Node.js.
that's normal, sometimes it needs few days to work. Same with web3.storage - typical problem with free services.
Please take a look at nft.storage or web3.storage