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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.
You can also use online resources like The Encyclopedia of Archaeological Sciences, that I think is mostly free or the Handbook of Archaeological Sciences which I think is also mostly free. If you can't get a hold of those things you can also email the authors/editors and they might send you a free copy or look them up on Academia.edu and see if they have a free version. Also, if you don't already, use Google Scholar, it's the best resource for finding free articles and topics to read. It's also never too early to start using something like Zotaro, Mendeley, or Endnote to keep track of your readings and help you with citations/references in papers. You can literally download the citation, import it into one of those systems and it automatically formats your referencing.