Directory of Open Access Books (DOAB)
The Directory of Open Access Books (DOAB) is a discovery service for peer reviewed books published under an open access license. DOAB provides a searchable index to the information about these books, with links to the full texts of the publications at the publisher’s website or repository.

Directory of Open Access Journals (DOAJ)
The Directory of Open Access Journals (DOAJ) lists free, full text, quality controlled scientific and scholarly journals, covering all subjects and languages.

OpenDOAR

OpenDOAR is an authoritative directory of academic open access repositories. Contain digital collections that preserve and provide access of intellectual output of an institution, and content varies i.e. could be open or closed, though open is encouraged today.Each OpenDOAR repository has been visited by project staff to check the information that is recorded there. This in-depth approach does not rely on automated analysis and gives a quality-controlled list of repositories.

As well as providing a simple repository list, OpenDOAR lets you search for repositories or search repository contents

Bookzz

This is an Open Access book collection available online. Users will however be prompted to make a simple registration. Please follow instructions if prompted to do so

Booksc

This is a free link to articles

Remote Access to Makerere University Library databases

Open Access Journal

Bioline International
Bioline International is a not-for-profit scholarly publishing cooperative committed to providing open access to quality research journals published in developing countries. It provides open access to peer reviewed bioscience journals published in developing countries. The journals contain timely research on public health, international development, tropical medicine, food and nutritional security, and biodiversity

British Medical Journal (BMJ):

Biomed central:

Free Medical Journals:

Public Library of Science:

Highwire Press

HighWire Press is a division of the Stanford University Libraries that produces the online versions of peer-reviewed journals and other scholarly content. Resources include a vast database of full-text scholarly, high-impact materials.

Alberta Law Review

Amsterdam Law reform

Goettingen Journal of International Law

Journal of Law and Commerce

Annales Geophysicae

Earth Planets and Space

Current article of EPS are also available on Springer Open at:http://www.earth-planets-space.com/

Springer Open Journals

REPOSITORIES

Institutional repositories: “digital collections that preserve and provide access to the intellectual output of an institution.” Contents  in IR vary, some  could be open or closed, though open is encouraged.

Makerere Institutional Repository (Mak IR)

Mak IR is a collection of scholarly output of by researchers of Makerere University, including scholarly articles and books, electronic theses and dissertations, conference proceedings, technical reports and digitised library collections. It is the official Institutional Repository (IR) of Makerere University.

Virginia Tech University

Provides access to theses and dissertations generated by a variety of harvesters and search engines in cooperation with the NDLTD–Networked Digital Library of Theses and Dissertations.

Ethos: Electronic Theses Online Service

Requires one to register. Provides access to over 350,000 UK  doctoral theses

SUBJECT REPOSITORES

Institutional repositories: “digital collections that preserve and provide access the intellectual output of a Subject area, Contents vary. Full text or bibliographic. Most of them are open access, examples,

Arxiv
Provides open access to 855,382 e-prints in Physics, Mathematics, Computer Science, Quantitative Biology, Quantitative Finance and Statistics. Contains open e-print archive with over 100000 articles in physics, 10000 in mathematics, and 1000 in computer science.

Social Science Research Network (SSRN)
Social Science Research Network (SSRN) is devoted to the rapid worldwide dissemination of social science research and is composed of a number of specialized research networks in each of the social sciences.The SSRN eLibrary consists of two parts: an Abstract Database containing abstracts on over 490,600 scholarly working papers and forthcoming papers and an Electronic Paper Collection currently containing over 399,400 downloadable full text documents in Adobe Acrobat pdf format. The eLibrary also includes the research papers of a number of Fee Based Partner Publications.

WorldWideScience.org
WorldWideScience.org: provides one-stop searching of national and international scientific databases and portals. This enables anyone with internet access to launch a single-query search of 32 national scientific databases and portals from 52 countries. Users can search more than 200 million pages of science and technology information not typically accessible through popular search engines. Some of the resources that you will come cross searching via WorldWideScience include DOAJ and all the Journals Online projects (JOLs).

Open Access Educational Resources/Courseware

Provide open access learning objects: Quiz, Syllabi, course outline, notes, presentations, simulations, games, videos, podcasts etc. Mostly feature a community of users. Among others, these include:

Merlot
MERLOT is a free and open online community of resources designed primarily for faculty, staff and students of higher education from around the world to share their learning materials and pedagogy.   MERLOT is a leading edge, user-centered, collection of peer reviewed higher education, online learning materials, catalogued by registered members and a set of faculty development support services.

Information Management Resource Kit (IMARK)
The Information Management Resource Kit (IMARK) is a partnership-based e-learning initiative to train individuals and support institutions and networks world-wide in the effective management of agricultural information. IMARK consists of a suite of distance learning resources, tools and communities on information management. There are separate portals in French and Spanish.

Open Educational Resources (OER)

Open Educational Resources (OER) are teaching and learning materials that you may freely use and reuse, without charge for teachers and learner Worldwide learning network of shared teaching and learning materials made freely available online. Grouped by subject area and grade

Massachusetts Institute of Technology (MIT) Courseware

MIT OpenCourseWare (OCW) 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.

Tufts OpenCourseware
Is a free and open educational resource for faculty, students, and self-learners around the world
Tufts University is committed to offering the world’s learners free access to its many academic resources. Tufts OpenCourseWare (OCW) seeks to capitalize on the potential of the internet to eliminate borders and geographic distance as obstacles to the instantaneous exchange of knowledge and new ideas. Unlike distance learning programs that charge tuition, provide formal instruction and limit participation, OpenCourseWare offers all course materials free to everyone with online access.

Public Domain Resources

 These include works that are out of copyright. These include among others:

Project Gutenberg
Allows free download eBooks from kindle, android, ipad, nook, epub or read online.

Internet Archive
The Internet Archive, a 501(c)(3) non-profit, is building a digital library of Internet sites and other cultural artifacts in digital form. Provides free access to researchers, historians, scholars, the print disabled, and the general public