AMiner
AI Powered Research Career: rankings of researchers, academic institutes, and conferences; trends of research topics; datasets for research.
Unpaywall
An open database of free scholarly articles for you to legally download research papers for free.
Phylopic
Free silhouette images of animals, plants, and other life forms, available for reuse under a Public Domain or Creative Commons license.
Scholarpedia
the peer-reviewed open-access encyclopedia, where knowledge is curated by communities of experts.
Protocols Io
Create, share, and collaborate on protocals. Protocals.io is not only for biologist, it can be used for any protocals.
Iris AI
Speed up literature review
Arxiv Sanity
Web interface for browsing, search and filtering recent arxiv submissions
Scirate
free and open access scientific collaboration network
Paperscape
Paperscape is an interactive map that visualises the arXiv, an open, online repository for scientific research papers.
IQSS: The Institute for Quantitative Social Science
The Institute for Quantitative Social Science
ICPSR: Inter-university Consortium for Political and Social Research
Inter-university Consortium for Political and Social Research
OpenEI
Linked energy information on hundreds of topics crowdsourced from industry and government agencies.