Dictionary.com
As the world’s leading digital resource for language success, Dictionary.com, along with its sister website, Thesaurus.com, is a world leader in accelerating the discovery and mastery of English in all its forms.
Enycyclopedia.com
Encyclopedia.com has more than 100 trusted sources, including encyclopedias, dictionaries, and thesauruses which include facts, definitions, biographies, synonyms, pronunciation keys, word origins, and abbreviations.
InfoPlease
Information Please has been providing authoritative answers to all kinds of factual questions since 1938—first as a popular radio quiz show, then starting in 1947 as an annual almanac, and since 1998 on the Internet.
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Parents, teachers and librarians turn to InfoPlease for factual information on an array of topics, including current events, pop culture, science, government and history. It is a safe place for both students and children to confidently explore.
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Writing & Language
The Purdue OWL
The Online Writing Lab (OWL) at Purdue University houses writing resources and instructional material. Students, members of the community, and users worldwide will find information to assist with many writing projects. Teachers and trainers may use this material for in-class and out-of-class instruction.
The Purdue OWL: ESL
The Purdue Online Writing Lab's English as a Second Language page. Includes resources for both instructors and students.
duoLingo
Duolingo is a free language-learning platform which includes a language-learning website and app. It also recently added a beta version of English for Arabic speakers.
Zotero
Zotero is a free bibliographic manager that is available as an online interface or downloadable standalone version. Extensions for Chrome, Safari, and Firefox allow you to easily save citations you find online. With Zotero you can store references in one place; keep reading notes linked to sources; download citations directly from databases; automatically format bibliographies and citations in MLA, APA, and Chicago Manual of Style; share your collections with collaborators; and access your Zotero library from any location and remotely back up and sync your library.
Readers Advisory
Goodreads
Goodreads is the world’s largest site for readers and book recommendations. Their mission is to help people find and share books they love.
See what books your friends are reading. Track the books you're reading, have read, and want to read. Check out your personalized book recommendations. The Goodreads recommendation engine analyzes 20 billion data points to give suggestions tailored to your literary tastes.
LibraryThing
With a community of over 2,100,000 book lovers, LibraryThing connects you to people who read what you do. It is an online service to help people catalog their books easily. You can access your catalog from anywhere—even on your mobile phone. Because everyone catalogs together, LibraryThing also comes up with suggestions for what to read next.
Literature Map
The Literature-Map is a literature recommendation system that is apart of the Global Network of Discovery (GNOD). The more people like an author and another author, the closer together these two authors will move on the Literature-Map.
Readers Advisory Link Farm
A project of University of Indiana library school. Provides access to a wide scope of Readers Advisory links.
Education
Wolfram|Alpha
Wolfram|Alpha specializes in making the world's knowledge computable. Over the years, they've defined a fundamentally new paradigm for getting knowledge and answers—not by searching the web, but by doing dynamic computations based on a vast collection of built-in data, algorithms and methods.
Khan Academy
A personalized learning resource designed to provide a fee, world-class education to anyone, anywhere. Khan Academy offers practice exercises, instructional videos, and a personalized learning dashboard that empower learners to study at their own pace in and outside of the classroom. They tackle math, science, computer programming, history, art history, economics, and more. Their math missions guide learners from kindergarten to calculus using state-of-the-art, adaptive technology that identifies strengths and learning gaps.
AASL Landmark Websites for Teaching & Learning
Curated by the American Association of School Librarians, the Landmark Websites are honored due to their exemplary histories of authoritative, dynamic content and curricular relevance. They are free websites that are user friendly and encourage a community of learners to explore and discover and provide a foundation to support 21st-century teaching and learning.
AASL Best Websites for Teaching & Learning 2017
The 2017 Best Websites for Teaching & Learning foster the qualities of innovation, creativity, active participation, and collaboration. They are free websites that are user friendly and encourage a community of learners to explore and discover. Subject areas include Media Sharing, Digital Storytelling, Manage & Organize, Social Networking & Communication, Content Resources, and Curriculum Collaboration.
Humanities
Europeana
Europeana Collections provides access to over 50 million digitised items – books, music, artworks and more – with sophisticated search and filter tools to help you find what you’re looking for. Explore thematic collections on art, fashion, music, photography and World War I which contain galleries, blogs and exhibitions to inform and inspire.
Stanford Encyclopedia of Philosophy
The Stanford Encyclopedia of Philosophy (SEP) organizes scholars from around the world in philosophy and related disciplines to create and maintain an up-to-date reference work. From its inception, the SEP was designed so that each entry is maintained and kept up-to-date by an expert or group of experts in the field. All entries and substantive updates are referred by the members of a distinguished Editorial Board before they are made public.
Wireless Philosophy
Wi-Phi's mission is to introduce people to the practice of philosophy by making videos that are freely available in a form that is entertaining, interesting and accessible to people with no background in the subject.
Since their aim is for people to learn how to do philosophy rather than for them to simply learn what philosophers have thought, Wi-Phi sees it as equally important to develop the critical thinking skills that are core to the methodology of philosophy.
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Biography
Biography.com
Biography.com captures the most gripping, surprising and fascinating stories about famous people. The last fateful day. The decision that changed everything. The moment of cheating death. The biggest break. The defining opportunity. The most shattering failure. The unexpected connection. With over 7,000 biographies and daily features that highlight newsworthy, compelling and surprising points-of-view, Biography.com is the digital source for true stories about people that matter.
Medical
Free Medical Journals
The Free Medical Journals Site was created to promote the free availability of full text medical journals on the Internet.
PubMed
PubMed is a service of the National Library of Medicine that includes over 15 million citations from MEDLINE and other life science journals for biomedical articles back to the 1950s. PubMed includes links to full text articles and other related resources.
HireWire
Founded by Stanford University Libraries in 1995, HireWire Press was formed to help academic publishers to host peer-reviewed content online. Today, HireWire's Intelligent Publishing Platform supports over 3,000 journals, books, reference works, and proceedings.
Literature
LitCharts
From the original editors of SparkNotes, LitCharts takes a completely new approach to analyzing and explaining literature. LitCharts present a bulleted-list-style summary of every single plot point in the book side-by-side with analysis and color-coded themes for each point. Every LitChart includes a color-coded Themes Key, which assigns a specific color to each theme. Includes sortable quotes and data visualizations for over 500 books.
Poetry Foundation
The Poetry Foundation, publisher of Poetry magazine, is an independent literary organization committed to a vigorous presence for poetry in our culture. It exists to discover and celebrate the best poetry and to place it before the largest possible audience.
GradeSaver
GradeSaver is one of the top editing and literature sites in the world. Offering high quality study guides written and edited by Harvard students, GradeSaver has received international recognition from USAToday, The Guadian, and Die Zeit, as well as many other local newspapers across North America and Europe.
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Google Scholar
Google Scholar is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. Released in beta in November 2004, the Google Scholar index includes most peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other scholarly literature, including court opinions and patents.
Directory of Open Access Journals
DOAJ is a community-curated online directory that indexes and provides access to high quality, open access, peer-reviewed journals. DOAJ is independent. All funding is via donations, 50% of which comes from sponsors and 50% from members and publisher members. All DOAJ services are free of charge including being indexed in DOAJ. All data is freely available.
Sci-Hub
The first pirate website in the world to provide mass and public access to tens of millions of research papers. Sci-Hub provides access to hundreds of thousands research papers every day, effectively bypassing any paywalls and restrictions.
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There are currently over 64,500,000 papers in the Sci-Hub library.
OMICS International Open Access
OMICS Group International through its scholarly open access initiative is committed to make genuine and reliable contributions to the scientific community.
Explore peer reviewed open access journals on a variety of subject areas, including Agriculture, Biochemistry, Business & Management, Chemical Engineering, Environmental Sciences, Engineering, Food & Nutrition, Genetics & Molecular Biology, Geology & Earth Science, Mathematics, Neuroscience, Nursing, Physics, Social & Political Sciences, Veterinary Sciences, and more.