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, Academus 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.
Https://academ.us has the same content as arxiv latest listing. It formats the article into html page so if you often check out latest papers on phones that's a good help. Source: over 2 years ago
Arxiv Vanity - Read academic papers from arXiv as responsive web pages
Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.
PubSURE - PubSURE is an AI powered tool that helps researchers assess the quality of their manuscript for free before submitting it to a journal to avoid desk rejection.
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
Allpapers - Keeping up-to-date with the research literature is not easy.
JabRef - Graphical Java application for managing bibtex (. bib) databases.JabRef · JabRef Help · JabRef | Blog · OpenOffice/LibreOffice .