Bibliomania - free online literature with more than 2000 classic texts.
Digital Book Index – provide links to more than 139,000 full text digital books from more than 1800 commercial and non commercial publishers, universities and various private sites.
E-books directory – is a daily growing list of freely downloadable ebooks, documents and lecture notes found all over the internet. You can submit and promote your own ebooks, add comments on already posted books or just browse through the directory below and download anything you need.
Free e-Books.net – provides list of books available in electronic form for free online.
Free Engineering books – online engineering books available for free download. There are books covering wide areas of electrical and electronic engineering, mechanical engineering, materials science, civil engineering, chemical and bioengineering, telecommunications, signal processing, etc. The books are mainly in PDF format for offline reading, some of them are online only HTML versions.
Free Tech Books – free online computer science & engineering books & lecture notes, all of which are legally & freely available over the internet.
Google book – Google provides access to full text of books that they digitized from library collections, including hundred of books related to literature, science fiction, short stories, poetry, political science, philosophy, economics, physics, chemistry, biology etc.
Internet Archive - The Internet Archive is a non-profit organization that was founded to build an Internet library. The Internet Archive is working to prevent the Internet - a new medium with major historical significance - and other "born-digital" materials from disappearing into the past.
Many Books.net -Browse through the most popular titles, recommendations, or recent reviews from our visitors. Perhaps you'll find something interesting in the special collections. There are more than 29,000 eBooks available for Kindle, Nook, iPad and most other eReaders, and they're all free!
MERLOT [Multimedia Educational resource for learning and online teaching] – is a free and open resource designed primarily for faculty and students of higher education. Subject includes arts, business, education, humanities, mathematics and statistics, science and technology and social sciences. Here you can find peer reviewed online teaching and learning materials.
National Academies Press – read more than 3,000 books online for free. Covers subjects on Engineering & Technology, Health & Medicine, Earth Sciences, Environmental Studies, Energy conservation, Food & Nutrition etc.
Online Book page – features over 10000 online free books on the net.
Planet PDF – provides 60+ free e-books in PDF format, mostly literature/classics.
Project Gutenberg – the first and oldest producer of free electronic books. This site offers 20,000 free e-books.
Project Gutenburg of the Philippines (PGPH) – aims to make as many books available to as many people as possible, with a special focus on the Philippines and Philippine languages.
Tech Books – technology books free for download. Mostly subjects on science & technology.
World Public Library – The WPLD Collection shelves more than 2,000,000 + PDF e-books in 100+ languages containing 125 of the finest eBooks and eDocument published on the Internet today.
Directory of Open Access Books (DOAB) is a searchable database of peer-reviewed scientific monographs that have been made accessible by academic publishers in open access.
The Freelipiniana Online Library seeks to bring Filipiniana literature to every Filipino in a time when information and education are limited.
Internet Archive – is a non-profit library of millions of free books, movies, software, music, websites, and more.
Ang Sentro ng Wikang Filipino (SWF) – ay isang institusyon sa Unibersidad ng Pilipinas-Diliman na nagtataguyod sa wikang Filipino bilang midyum ng pagtuturo, saliksik at publikasyon, at opisyal na komunikasyon ayon sa tadhana ng Konstitusyong 1987, Artikulo XIV, seksiyon 6 at 7.