American Mathematical Society (AMS)
Math news, society information and publications, professional information and services, excellent guide to Mathematics on the Web.
American Statistical Association (ASA)
The American Statistical Association is the world’s largest community of statisticians, the “Big Tent for Statistics.” It is the second-oldest, continuously operating professional association in the country.
Mathematical Association of America (MAA)
An organization is devoted to the interests of collegiate mathematics. Information found on the site includes book reviews, tables of contents and abstracts of journals, articles and columns, meetings, employment opportunities, student information.
Society for Industrial and Applied Mathematics (SIAM)
The AAAS seeks to "advance science, engineering, and innovation throughout the world for the benefit of all people."
*** Many of the above resources were located through Cal Poly Humboldt's Open Educational Resources (OER) for Mathematics Resource Guide. ***
LibreTexts
Explore courses, textbooks, homework exercises and ancillary materials. Topics include: Algebra, Abstract Algebra, Number Theory, Calculus, and many other mathematical topics.
Lumen Learning
Lumen Learning provides textbooks for Algebra, Calculus, and Statistics. Click the Mathematics tab on the left to link you directly to these three textbook options.
MERLOT
MERLOT is a curated collection of free and open online teaching, learning, and faculty development services contributed and used by an international education community.
Milne Open Textbooks
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.
The National Academies Press (NAP)
This is a great resource that provides textbooks on math and statistics.
OAPEN
Both a collection of open access publications and a publishing platform with a focus on social sciences and humanities.
Open Book Publishers
UK publishing imprint that provides free online access and low cost formatted and print access to titles with a special emphasis on humanities, digital humanities, and social sciences.
Open Intro - Statistics
A college-level textbook covering data basics, probability (optional), distributions, inference for means and proportions, and regression, including multiple and the basics of logistic regression.
Open Stax College
Open Stax provides textbooks on pre-algebra, algebra, trigonometry, pre-calculus, calculus, and statistics.
Open SUNY Textbooks - Natural Resources Biometrics
Three textbooks offered such as, "A Spiral Workbook for Discrete Mathematics", "Introduction to the Modeling and Analysis of Complex Systems", and "How We Got from There to Here: A Story of Real Analysis."
Open Textbook Library
Browse a wide selection of textbooks on mathematical topics.
Pressbooks OER
The BCcampus Open Education OER by Discipline Guide lists a wide range of open educational resources, including textbooks and courses, organized by discipline.