Home > Keywords > Categories > Science and technology
Online encyclopedia, displaying 3D images of proteins and other molecules related to biology
Photos taken from space under public domain license or CC-BY-NC
Recording observations about mushrooms
Sharing recordings of wild bird sounds from around the world
Archive and dissemination of research-level scientific articles, published or not
Providing everyone, everywhere with data on all forms of life on Earth
Useful and edible plants of temperate regions
Images and videos from the “National Aeronautics and Space Administration”
World Register of Marine Species
Documentary that explores the effects of mass surveillance on individuals and society
MinuteEarth is an exciting science and history channel
A multilingual website gives you access to UNESCO resources
The tree of life shows us the origins of living beings
Bill Hammack tells you how things work
Paleoartist Nobu Tamura brings extinct creatures back to life
Open access digital magazine, created and managed by researchers
Various scientific topics
Gathering of all the photos from the Apollo lunar expeditions
Digital publishing at the service of scientific communication in human and social sciences
Low tech tutorials
Build a habitat to support wildlife
Free open source resources to reduce the environmental footprint
Create stories, games, and animations
We are a worldwide community of farmers that build and modify our own tools. We share our hacks online and at meet ups.
A portal to millions of documents created by industries that influence public health, hosted by the UCSF Library.
OER Commons is a public digital library of open educational resources.
Documentaries focusing on disasters, scientific discoveries and transport!
The sustainability wiki! We help build rich and sustainable lives by sharing knowledge, experiences, ideas and more.
Free silhouette images of animals, plants, and other life forms, available for reuse under Creative Commons licenses.
A Collection of Illustrations From Popular Sources Published Prior to 1923
Open-access archive for nearly 2.4 million scholarly scientific articles.
A math movie with nine 13-minute chapters.
Nine chapters, two hours of maths, that take you gradually up to the fourth dimension.
A Community for Naturalists
RCSB Protein Data Bank
World’s largest biomedical library and a national resource for health professionals, scientists, and the public
This guide discusses the legal, social and technical aspects of open data.
Photographs, illustrations and multimedia files held by the CDC (Centers for Disease Control and Prevention).
We are building a world open by design where all knowledge is accessible to everyone.
Translate the many svg images from Wikimedia.
Open source translation community. A simple way to participate in a free community project without knowing how to code!
Explore a World of Repair
Find the sequences associated with integers!
Global access to knowledge about life on Earth
Wikenigma - an Encyclopedia of Unknowns. Wikenigma is a unique wiki-based resource specifically dedicated to documenting fundamental gaps in human knowledge.
More than 2000 quality icons under CC BY open license available in svg format or usable as library.
A Tale of Software, Skateboards, and Raspberry Ice Cream!
Some drawings by Mullana in Creative Commons, mainly on famous women.
OBIS builds and maintains a global alliance of scientists to facilitate free and open access to data and information on biodiversity and marine life.
Platform for interactively exploring the evolutionary relationships between all known species, offering detailed information on all clades and links to other resources.
Founded in 2002 by Nobel Laureate Carl Wieman, the PhET Interactive Simulations project at the University of Colorado Boulder creates free interactive math and science simulations.
Over 6,000 Free Cheat Sheets, Revision Aids and Quick References!
A collection of free printable digital collage & ephemera sheets using authentic vintage images from the public domain.
Designers Éthiques is a non-profit organisation that explores the best practices in the design of digital services, in order to make the field more sustainable, desirable and free.
This site provides access to millions of digitized works and images, including Voynich’s manuscript!