​Digital Library
This collection contains cultural heritage materials gathered during the World Digital Library (WDL) project, including thousands of items contributed by partner organizations worldwide as well as content from Library of Congress collections. The original World Digital Library site (preserved in LC’s Web Archives here) and all descriptive metadata were translated from English and made available in six additional languages: SpanishPortugueseFrenchArabicRussian, and Chinese
One Library All of India; To make available to the learners community learning resources through a single-window, National Mission on Education through Information and Communication Technology (NMEICT) has sponsored the National Digital Library of India (NDLI) project and arranged funding through Ministry of Education.​
​This is for undergraduate and postgraduate students of language and literature and also for general readers.This contains literary works as well as study materials on English, Hindi, Sanskrit, Urdu and Bengali languages.
  • Digitalizing public libraries to provide access to all
  • Shape your future with our self-learning facilities for comfortable and efficient learning
  • Get access to a variety of content in various formats like eBooks, Journals, Videos, Simulations and much more
  • Get informative content in multiple Languages. English, Hindi, Kannada, Urdu .. etc
PDF Drive  Free E-BOOKs
PDF Drive is your search engine for PDF files. As of today we have 76,652,010 eBooks for you to download for free. No annoying ads, no download limits, enjoy it and don’t forget to bookmark and share the love!
Resource Head explores the world’s knowledge and provides you with the best library information resources…
​BookBoon allows users to download free e-books in PDF format. Books are written exclusively for BookBoon.
NCERT ePathshala
This portal hosts educational resources for teachers, students, parents, researchers and educators. The portal provides resources like textbooks, audio, video, periodicals, and a variety of other print and non-print materials. The website & app is available in English, Hindi and Urdu. 
Open Library is an initiative of the Internet Archive, a 501(c)(3) non-profit, building a digital library of Internet sites and other cultural artifacts in digital form. Other projects include the Wayback and Selected Kannada works can be accessed.
Free digital textbooks for grade levels K-12. Resources are standards-aligned and are customizable.​
ಕನ್ನಡ ಸಾಹಿತ್ಯ ಸಂಗ್ರಹ – Free Internet resources in Kannada collection by Prof S.S. Basavanal Library, KUD
Most books published by the National Academies Press can be downloaded for free in PDF format. Just find the book you want, bypass the print price, and click the “Download Free PDF” button. This site requires that you provide a name and e-mail address. ( digital library of  India) website ನಲ್ಲಿ ಸಿಗುವ ಕನ್ನಡ ಪಿಡಿಎಫ್ ಪುಸ್ತಕಗಳನ್ನು ಕೆಟಲಾಗ್ ಮಾಡಿ ಗೂಗಲ್ ಡ್ರೈವಿನಲ್ಲಿ save ಮಾಡಲಾಗಿದೆ. ಆಸಕ್ತರು ಲಿಂಕಿನ ಮೇಲೆ ಕ್ಲಿಕ್ ಮಾಡಿ ನಂತರ ಬೇಕಾದ ಪಿಡಿಎಫ್ ಡೌನ್ ಲೋಡ್ ಮಾಡಿಕೊಳ್ಳಬಹುದು.. ಎಲ್ಲ ಸೇರಿ ಸುಮಾರು 2700 ಪುಸ್ತಕಗಳು ಲಭ್ಯ..(KUD Googlesite)
Milne Library Publishing at SUNY Geneseo manages and maintains Milne Open Textbooks, a catalog of open textbooks authored and peer-reviewed by SUNY faculty and staff.
This domain contains e-books from the Project Gutenberg archives. 
Sponsored by the Community College Consortium for Open Educational Resources, this Web site provides links to 500+ textbooks in many different subject areas.
Online since 2003, Wikibooks is a Wikimedia project for collaboratively writing open-content textbooks that anyone can edit.
This for-profit publisher offers open access textbooks, primarily in business, but in other subjects, as well. The company’s profit is made from selling supplemental materials and alternative book formats to students. ​
DOAB contains 1000+ open access academic peer-reviewed books from 40+ publishers. ​​
This site lists free online computer science, engineering and programming books, textbooks and lecture notes
Funded by The William and Flora Hewlett Foundation, College Open Textbooks is a collection of educational non-profit affiliated with more than 200 colleges that are focused on the mission of driving the awareness and advocacy for open textbooks. Their efforts include providing training for instructors adopting open resources, peer reviews of open textbooks, and mentoring online professional networks that provide support to authors who open their resources, and other services.