Free silhouette images of animals, plants, and other life forms, available for reuse under a Public Domain or Creative Commons license.
the peer-reviewed open-access encyclopedia, where knowledge is curated by communities of experts.
Create, share, and collaborate on protocals. Protocals.io is not only for biologist, it can be used for any protocals.
Paperscape is an interactive map that visualises the arXiv, an open, online repository for scientific research papers.
Inter-university Consortium for Political and Social Research
Linked energy information on hundreds of topics crowdsourced from industry and government agencies.