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, Archive.org seems to be more popular. It has been mentiond 8506 times 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.
Internet Archive | https://archive.org | Full-Time | Remote PT-ET Hours | Non-Profit Help build web crawlers, preservation, and public access services for over one thousand partner libraries and other cultural heritage institutions. https://app.trinethire.com/companies/32967-internet-archive/jobs/91055-senior-software-engineer-archiving-and-data-services. - Source: Hacker News / 4 days ago
I have https://archive.org as second result, sep11... Is also the first for me. - Source: Hacker News / 25 days ago
Internet Archive is best known for its Wayback Machine. But registered users also get 250GB of free storage for video uploads and other media. - Source: dev.to / 3 months ago
I went to the google search page and put in the URL with the cache: prefix. Eg "cache:http://archive.org/". This is now broken. Existing cache entries still exist, but unfortunately unless you know the URL it is inaccessible. - Source: Hacker News / 3 months ago
If you didn't already know of archiving websites, you're one of today's lucky ten thousand! See https://archive.org :). - Source: Hacker News / 4 months ago
Mendeley - Easily organize your papers, read & annotate your PDFs, collaborate in private or open groups, and securely access your research from everywhere.
Archive.md - archive.is allows you to create a copy of a webpage that will always be up even if the original link is down
Zotero - Zotero is a free, easy-to-use tool to help you collect, organize, cite, and share research.
12 Foot Ladder - Prepend 12ft.io/ to the URL of any paywalled page, and we'll try our best to remove the paywall and get you access to the article.
JabRef - Graphical Java application for managing bibtex (. bib) databases.JabRef · JabRef Help · JabRef | Blog · OpenOffice/LibreOffice .
Wayback Machine - Browse through over 150 billion web pages archived from 1996 to a few months ago.