OER Publisher. Includes openly licensed books and ancillary materials (including courseware, test banks, answer guides, and slides) for a wide range of subjects.
Open access academic publisher. Book subject areas include: Physical Sciences, Engineering and Technology (2,600+) ; Health Sciences (1,800+); Life Sciences (1,000+); and Social Sciences and Humanities (280+).
Open and free platform for computational research, education, and collaboration in nanotechnology, materials science, and related fields. Includes a variety of teaching materials.
Multidisciplinary index of over 17,000 peer-reviewed open access journals, covering subjects in humanities, social sciences, STEM, and medicine. (FREE)