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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.
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aleph
Search and browse documents and data; find the people and companies you look for. (by alephdata)
If you are doing investigative journalism, there is the OCCRP's Aleph for working with big amounts of data and connecting entities https://aleph.occrp.org/ . It's open source and self-hostable. Also for big messy dataset, the ICIJ's Datashare might be interesting.
If you are doing investigative journalism, there is the OCCRP's Aleph for working with big amounts of data and connecting entities https://aleph.occrp.org/ . It's open source and self-hostable. Also for big messy dataset, the ICIJ's Datashare might be interesting.