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zotero
Zotero is a free, easy-to-use tool to help you collect, organize, annotate, cite, and share your research sources.
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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.
Resources: ZOTERO. Zotero is a free (you can pay to get more storage), open-source citation manager with optional browser plugins. IT WILL FORMAT CITATIONS FOR YOU. (sometimes you have to edit them, but most of the time it can pull metadata and format things correctly on its own). You can sort your references into folders or with tags, read and annotate PDF copies on your computer or in a mobile app, and make notes - which I used to keep track of specific quotations I wanted to use.