This is a good collection of e-knowledge resources containing free encyclopedia, free e-books and digital libraries. Here you can quench your thirst for knowledge: you can refer to an encyclopedia such as Wikipedia, the Encyclopedia of Life and Medpedia, you can read classic literature, you can find a lot of science and technology books.
Wikipedia is a free, multilingual, open content encyclopedia project operated by the United States-based non-profit Wikimedia Foundation. Its name is a portmanteau of the words wiki (a technology for creating collaborative websites) and encyclopedia.
The Encyclopedia of Life (EOL) is a collaborative project to organize and make available via the Internet virtually all information about life present on Earth. The EOL staff is made up of scientists and non-scientists working from museums and research institutions around the world.
Medpedia is a collaborative project (or collaborative medical encyclopedia project) for sharing and advancing medical knowledge among medical professionals and the general public.
The Internet Encyclopedia of Science is an online science encyclopedia that has the goal to provide a comprehensive source of information covering all aspects of contemporary science, mathematics, and technology.
TechWeb’s TechEncyclopedia offers definitions and links for more than 20000 information technology terms. It shows 10 terms similar to the typed entry – 5 entries before the entry and 5 entries after the entry.
The Library of Economics and Liberty is dedicated to advancing the study of economics, markets, and liberty. The Concise Encyclopedia of Economics (CEE), which is contained in it, provides a wealth of economic analysis about important issues in a comprehensive, yet readable and engaging format.
Uncyclopedia is “the content-free encyclopedia that anyone can edit”. It is formatted as a parody of Wikipedia and aims ultimately to parody all encyclopedic subjects. Read it for fun.
Free eBooks and Digital Libraries
Project Gutenberg is the first and largest single collection of free electronic books, or e-books. Michael Hart, founder of Project Gutenberg, invented e-books in 1971 and continues to inspire the creation of e-books and related technologies today.
The World Public Library Consortia, Founded in 1996, has the world’s largest digital archive of PDF eBooks and eDocuments. So far its collection hosts more than 500,000+ PDF eBooks and eDocuments, and will reach 600,000 by fall of 2008.
Internet Archive: Text Archive provides a huge collection of free e-books that are downloadable and readable online, coming from American Libraries, Canadian Libraries, Universal Library, Project Gutenberg, Biodiversity Heritage Library, and others.
eBooks@Adelaide, The University of Adelaide Library’s Electronic Text Collection, is a collection of web book editions of significant works from the past.
Cambridge Digital Library – University of Cambridge holds the largest and most important collection of the scientific works of Isaac Newton (1642-1727).
Read Easily Ebooks Oline Library provide an adaptive reading experience. Through the functin, Set Display, a reader select the font size, font color and background color. The books, provided in this library, mainly comes from Project Gutenberg.
PSU(Pennsylvania State University)’s Electronic Classics Site provides free files in PDF format, which files include original work published in hard copy by the PSU and classical works of literature in English.
Planet eBook offers a selection of free classic books in PDF format. It allows users to download those books and give them to others.
Page By Page Books provides a selection of classic books in the public domain, all in convenient Page By Page format. From Aesop to H. G. Wells and everything in between.
ReadPrint is a free online library offering thousands of free e-books which cover fiction, non-fiction, essays, plays, poetry and short stories.
Cmadras.com provides a collection of free e-books in HTML format, by authors including Robert Louis Stevenson, Bram Stoker, Alexandre Dumas, Victor Hugo, Charles Dickens, Henry James, and Jane Austen.
Internet Archive: Audio Books & Poetry provides free audio books and poetry recordings, coming from LibriVox, Gutenberg Audio Books, Maria Lectrix Audio Books, Audio Poetry, Naropa Poetics Audio Archives, Globe Radio Repertory, and others.
Free Classic Audio Books provides free downloads of many classic audio books in either mp3 format or mp4 audio book format.
BooksShouldBeFree.com provides free downloads of thousands of audio books in mp3, iPod and iTunes formats, covering a wide variety of genres: adventure, children, fiction, history, literature, poetry, and more.
Podiobooks.com provides free audio books delivered as podcasts. All the books on Podiobooks.com are provided by the authors, who want to do this to get exposure for their work or simply do it for the sheer joy of writing.
The Library of Economics and Liberty provides free e-books and essays representing classics of economic thought, both historical and modern.
Comics.com is a library of comics and editorial cartoons, hosting over 80 daily comics and offering more than 30 Editorial cartoons. Its comics, including Dilbert, Peanuts, Soonpy, etc, are sorted into age group and subjetcs: Age 30~50, Age 18~30, Family, Business, Offbeat, etc.
Scribd.com is a document sharing website, where users can publish, discover and discuss original writings and documents. It has more than 5 million iPaper documents in 90 different languages.
Free-ebooks.net is an online source offering free e-book downloads. And it enables users to find books that they want to read by browsing its e-book resources and e-book authors.
Science and Technology eBooks and eDocuments
The Digital Library for Earth System Education (DLESE) is a distributed community effort involving educators, students, and scientists working together to improve the quality, quantity, and efficiency of teaching and learning about the Earth system at all levels.
Digital Library of Information Science and Technology (DLIST), established in 2002, is a cross-institutional, subject-based, open access digital archive for the Information Sciences, including Archives and Records Management, Library and Information Science, Information Systems, Museum Informatics, and other critical information infrastructures.
Freebookcentre.net contains links to thousands of free online technical books which cover computer science, computer languages, mathematics, physics, and electronics engineering.
FreeComputerBooks.com provides a directory service of online free computer and programming related books and documents. The directory is categorized by 12 topics including Computer languages, Computer science, Databases, Electronic engineering, Java and J2EE, Linux and Unix, Mathematics, etc.
FreeSoftwareBooks.com provides free software eBooks links, including Java, Microsoft, Unix, Linux, Computer Science, Web, Networking, Databases.
FreeTechBooks.com offers free online computer science, engineering and programming books, textbooks and lecture notes.
FreeScience.info is an online initiative offering free download of scientific books. Users can find books that they want to read by using search tool and browsing categorical list or alphabetical index.