Qiqqa is by far the strongest solution for research and managing pdf's. Zotero, named as a comparison is weak as it does not allow pdf;s to be loaded into its interface - you need to use a pdf reader, which defeats its whole purpose. With Qiqqa documents in a library can be searched together. It has excellent maps of your libraries. It is not prefect, having a few glitches, but still is the only one of its kind.
Based on our record, EndNote seems to be more popular. It has been mentiond 1 time since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.
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... Source: 10 months ago
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.
JabRef - Graphical Java application for managing bibtex (. bib) databases.JabRef · JabRef Help · JabRef | Blog · OpenOffice/LibreOffice .
Citavi - Citavi is a program for Microsoft Windows that manages literary references and organizes organizational knowledge.
RefWorks - RefWorks is an online research management, writing & collaboration tool that helps researchers easily gather, manage, store & share information.
Docear - Docear