e-Kumbh

All India Council for Technical Education (AICTE) is to provide outcome based Technical Education Books in different Indian Languages to the students and faculty members across all technical institutions in India.

NPTEL

NPTEL provides E-learning through online Web and Video courses various streams.

SWAYAM NPTEL

SWAYAM

SWAYAM Central

online repository in the world of courses in engineering, basic sciences, and selected humanities and social sciences subjects

SAKSHAT

Sakshat is perceived to be a single stop education portal for addressing the needs of students

Coursera

Learn online and earn valuable credentials from top universities like Yale, Michigan, Stanford, and leading companies like Google and IBM

Teachertube

A free community for sharing instructional videos and content for teachers and students. We are an education focused, safe venue for teachers, schools, and home learners.

Co Learn

Researchoscope is a series of talks given by Ph.D. students at IIT Bombay ... courses taught by IIT Bombay faculty that have been recorded live in the classroom.

IITM

Best Institute in India, Best Higher Education, Top Research Institute, No: 1 Research.

MIT

MIT OpenCourseWare is a web-based publication of virtually all MIT course content. OCW is open and available to the world and is a permanent MIT activity.

Egyankosh

A National Digital Repository to store, index, preserve, distribute and share the digital learning resources developed by the Open and Distance Learning Institutions in the country.

IISC

A public institute for research and higher education in science, engineering, design, and management. It is located in Bangalore, India

W3 Schools

W3Schools is optimized for learning, testing, and training. Examples might be simplified to improve reading and basic understanding.

Open Library

Open Library is an open, editable library catalog, building towards a web page for ... other projects.

FreeBookCentre

Freebookcentre.net contains links to thousands of free online technical books

PDFSb

Online Database of Free Ebooks, it is a free for all website, and may be called a hub of free PDF ebooks

E-Books Directory

E-Books Directory is a categorized index of freely available online books. It is daily updated with new links to free e-books and short reviews

Free Book Spot 

Free Book Spot is a free e-books links library where you can find and download free books in almost any category.

Best Audiobooks & Original Content

The largest selection of audiobooks and original audio performances anywhere

Baen Books Science Fiction & Fantasy

The best in Science Fiction and Fantasy publishing.

FreeTechBooks

This site lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available.

Get Free Ebooks

Getfreeebooks.com is a free ebooks site where you can download totally free legal ebooks, available in various popular formats

UPenn Digital Library - University of Pennsylvania

Penn's Digital Library uses digital technology to collect, preserve, and provide access to information, to support the research, teaching and public service missions of the University of Pennsylvania.

SpringerOpen books

SpringerOpen publishes a wide selection of open access books across various disciplines. All SpringerOpen books are freely available online

Ibiblio

ibiblio is a "collection of collections," and hosts a diverse range of publicly available information

E-Books Directory

Engineering books at E-Books Directory: files with free access on the Internet.

Collection of computer e-books

Free Book Spot 

Free e-books links library where you can find and download free books in almost any category

This site lists free online computer science, engineering and programming books, textbooks and lecture notes, all of which are legally and freely available.

E-Books Directory

Arts & Photography books at E-Books Directory

Brill Online Books and Journals is among the richest scholarly sources of its kind, with the full text of near 300,000 book chapters and journal articles, covering the Humanities, International Law and Biology.

E-Books Directory

Computer Science & Internet books at E-Books Directory: files with free access on the Internet. 

The largest collection of Darwin's writings ever published appears on the website The Complete Work of Charles Darwin Online 

Directory of Open Access Books: DOAB

The directory is open to all publishers who publish academic, peer reviewed books in Open Access and should contain as many books as possible, provided that these publications are in Open Access and meet academic standards.

eBookLobby

Library of free ebooks. Lots of different categorys from business, art, computing, programming and education containing free ebooks.

the Baen Free Library.

E-Books Directory

Biographies & Memoirs books at E-Books Directory: files with free access on the Internet. 

Bookyards

Bookyards is an online library where you can find a large selection of free ebooks, ... sites on the web.

Free Engineering Books

Download Free Engineering Books on Electrical, Electronic, Mechanical, Chemical, Civil, Automobile, Aerospace and Environmental Engineering.

Elsevier Books and Journals

Free shipping through Elsevier online bookstore. Shop science, technology and health journals, articles, textbooks, reference.

Get Free Ebooks

Getfreeebooks.com is a free ebooks site where you can download totally free legal ebooks, available in various languages like, tamil, hindi, Marathi etc.,

National Science Digital Library (NSDL)

Provide comprehensive S&T information to students of science, engineering and technology in the country.

NIScPR Online Periodicals Repository

To access full text articles from research journals published by CSIR-NIScPR

The WWW Virtual Library

Directory of the Virtual Libraries

Directory of Open Access Repositories

OpenDOAR is an authoritative worldwide directory of academic open access repositories

World Digital Library Home

The World Digital Library provides free access to manuscripts, rare books, maps, photographs, and other important cultural documents from all countries

Library of Congress

The Library of Congress (LOC) is the research library that officially serves the United States Congress The Library of Congress has claims to be the largest library in the world.[3][4] Its "collections are universal, not limited by subject, format, or national boundary, and include research materials from all parts of the world and in more than 450 languages.

British Library

Its a National library of the United Kingdom[6] and the largest national library in the world by 150200 million+[7][8][3][4] items from many countries are catalogued.

UNESCO Library

The UNESCO Library provides reference and information services, including research, to the organization

Universal Digital Library

A collection of one million books.

http://www.ulib.org/

Project Gutenberg offers over 57,000 free eBooks. Choose among free epub books, free kindle books, download them or read them online.

https://www.gutenberg.org/

An immense collection of books for consultation, including fiction, essay and poetry.

http://www.bartleby.com/

ibiblio

E-books, magazines, academic essays, software, music and radio.

http://www.ibiblio.org/

More than 100,000 books for consultation, download or on-line purchase

http://books.google.com/

Internet Archive

The largest digital library for downloading e-books and audio-books for free

https://archive.org/

Open Library

More than one million e-books of classic literature to download

https://openlibrary.org/

World Scinet

Free access to the world scientific journals.Is one of the leading scientific publishers in the world, and the largest international scientific publisher in the Asia-Pacific region. World Scientific publishes about 600 new titles a year and 143 journals in various fields.

Directory of Open Access Journals (DOAJ)

DOAJ is an online directory that indexes and provides access to quality open access, peer-reviewed journals.

Open Access Journals Search Engine (OAJSE)

The Open Access Journals Search Engine (OAJSE) service covers free, full text, quality controlled journals.

OJAS Inflibnet

Open Journal Access System (OJAS) is one of the new initiatives of the INFLIBNET Centre facilitating hosting of electronic version of print journals into open access mode with all processes of submission, peer-reviewing, editing, layout designing and publishing built into it. The initiative encourages universities and institutions that are publishing journals in print format to host electronic version of their journals free-of-charge

Indian Academy of Sciences(IAS)

The Indian Academy of Sciences, aims at promoting the progress and upholding the cause of science in pure and applied branches. Major activities include publication of scientific journals and special volumes, organizing meetings of the Fellowship and discussions on important topics, recognizing scientific talent, improvement of science education and taking up other issues of concern to the scientific community.

Issues in Science and Technology Librarianship(ISTL)

ISTL is an open access journal. All content is freely available without charge. Users are allowed to read, download, copy, distribute, print, search, or link to the full text of the articles in this journal without asking prior permission from the publisher or the author.

Open Access Library (OALIB)

Open Access Library (www.oalib.com) is an academic search engine and publisher. You can download research papers for free and submit your paper to it.

Shodhganga : a reservoir of Indian theses @ INFLIBNET

The Shodhganga@INFLIBNET Centre provides a platform for research students to deposit their Ph.D.

PQDT Open - ProQuest

With PQDT Open, you can read the full text of open access dissertations and theses free of charge.

Mahatma Gandhi University - Online THESIS Search

First Indian University to adopt Open Access of its doctoral research theses to the academics worldwide through www.mgutheses.in.

NDLTD

The Networked Digital Library of Theses and Dissertations (NDLTD) is an international organization dedicated to promoting the adoption, creation, use, dissemination, and preservation of electronic theses and dissertations (ETDs).

OpenThesis: Upload and Search Theses and Dissertations

OpenThesis is a free repository of theses, dissertations, and other academic documents, coupled with powerful search, organization, and collaboration tools.

http://www.openthesis.org/

Free Thesis | IUB Library

Twenty thousand doctoral dissertations from outside of the United States and Canada are searchable from this site. No full text is available online

http://www.lib.iub.edu.bd/freethesis

Open and Free Journals, Books, Theses and Dissertations | NDNU

Open Access publishing provides online access to scholarly research which is: Free  the end user does not have to pay any subscriptions or fees to read the full text

http://www.ndnu.edu/academics/open-and-free-journals-books-theses-and-dissertations/

British Library EThOS - Search and order theses online

The About page of the British Library EThOS service. Search across 480000+ theses for free and order full text quickly and easily

https://ethos.bl.uk/

Theses & dissertations | Library Services | Open University

The Electronic Theses Online System (EThOS) offers free access to the full text of UK theses.