The Trillia Group Science, Math, Publications, Book Publishers - The Trillia Group. Publishes and distributes e-book mathematics texts over the internet. http://www.trillia.com/
Key Curriculum Press Science, Math, Publications, Book Publishers - Key Curriculum Press. Mathematics education texts and courseware. https://www.keypress.com/
International Press of Boston, Inc. International Press (IP), an academic publishing company founded in 1992. http://intlpress.com/
Reference Works Science, Math, Publications, Book Publishers - Marcel Dekker. Mathematics and Statistics. http://dekker.com/
Hindustan Books Agency Science, Math, Publications, Book Publishers - Hindustan Books Agency. Texts and Readings in Mathematics series (20 titles). http://www.hindbook.com/
EMS - European Mathematical Society Publishing House Science, Math, Publications, Book Publishers - European Mathematical Society Publishing House. Information on EMS publications and how to obtain them. https://www.ems-ph.org/
Optimization Online Science, Math, Publications, Subject Preprint Archives - Optimization Online. A repository of eprints about optimisation and related topics. https://www.optimization-online.org/
Shelah's Archive Science, Math, Publications, Subject Preprint Archives - Shelah's Archive. Papers by Saharon Shelah in logic and related. https://shelah.logic.at/
Forum Geometricorum Science, Math, Publications, Journals - Forum Geometricorum. Free access electronic journal. http://forumgeom.fau.edu/
Journal of Experimental Algorithmics Science, Math, Publications, Journals - Journal of Experimental Algorithmics. Contents, abstracts, bibliographies. https://www.jea.acm.org/
EMANI Homepage Science, Math, Publications - EMANI. Electronic Mathematical Archiving Network Initiative: to support the long-term electronic preservation of mathematical publications. http://emani.org/
Fachinformationszentrum Karlsruhe (FIZ) Science, Math, Publications - Fachinformationszentrum Karlsruhe (FIZ). Information services for academic and industrial research. https://www.zblmath.fiz-karlsruhe.de/