Sites and apps similar to PaperLens include Internet Archive, which is free. Other options are arXiv, Science hub Mutual Aid Community, Zenodo and WorkSchool 365. In total there are six Ebook Libraries like PaperLens for Mac, Windows and Linux.
The Internet Archive is building a digital library of Internet sites and other cultural artifacts in digital form. Like a paper library, it provides free access to researchers, historians, scholars, the print disabled, and the general public.
United States
arXiv® is a free distribution service and an open archive for scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics.
United States
When article resources cannot be found on the sci-hub, you can post to this community for help. This community is completely free and easy to operate.
Built and developed by researchers, to ensure that everyone can join in Open Science. Catch-all repository for EC funded research. CERN, an OpenAIRE partner and pioneer in open source, open access and open data
Marketplace for peer reviews by paid learners qualified via quiz; open source Word templates with business-logic automation.
OAPEN promotes and supports the transition to open access for academic books by providing open infrastructure services to stakeholders in scholarly communication. We work with publishers to build a quality-controlled collection of open access books and provide services for...
Switzerland
