Open Educational Resources (OER)

BASE is one of the world's most voluminous search engines especially for academic web resources. BASE provides more than 150 million documents from more than 7,000 sources. You can access the full texts of about 60% of the indexed documents for free (Open Access). BASE is operated by Bielefeld University Library.

InTech is a pioneer and world's largest multidisciplinary open access publisher of books covering the fields of Science, Technology and Medicine. Since 2004, InTech has collaborated with more than 86180 authors and published 2355 books and 6 journals with the aim of providing free online access to high-quality research and helping leading academics to make their work visible and accessible to diverse new audiences around the world.

Free and open collection of peer-reviewed online learning materials for higher education.

free course materials from MIT; open and available to everyone. Check FAQ's on Intellectual Property and Fair Use for terms of use details.

The QUBES platform hosts hundreds of STEM teaching materials, reference materials, and cloud-based software free to use and adapt using open Creative Commons licenses.

Free and open learning materials and program support materials for workforce development. Supported by the US Dept of Labor.

Growing collection of OER texts on a variety of technology and engineering related topics.

Listing of open textbooks is organized by engineering discipline.

The textbook focuses on the creation, manipulation, transmission, and reception of information by electronic means. Elementary signal theory; time- and frequency-domain analysis; Sampling Theorem. Digital information theory; digital transmission of analog signals; error-correcting codes.

The BCcampus Open Education Virtual Lab and Science Resource Directory lists free science resources designed to support remote science education. This directory is updated as new resources are identified. Note that, while all resources in this directory are free, not all are open. Resources that carry Creative Commons or otherwise open licences are clearly labelled.

This course examines the theories and design practices of solar electric systems in the context of utility and commercial-scale applications.

Twenty-three Flash games to help students learn some basic electronics knowledge and skills, such as resistor color codes, engineering prefixes, binary-hex conversions, electrical units and abbreviations, Greek alphabet, capacitor codes, schematic symbols, multimeter operation, oscilloscope operation, Ohm's law, power law, and more.