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Algebra by Boundless (CC BY-SA)
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Algebra Review by GeoGebra (CC BY-NC)
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Analysis 1 by Khalagai (CC BY)
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Analysis 2 by Khalagai (CC BY)
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APEX Calculus by Hartman, Heinold, Siemers, Chalishajar, and Bowen (ed.) (CC BY-NC)
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Applied Discrete Structures by Doerr and Levasseur (CC BY-NC-SA)
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Armstrong Calculus by Tiemeyer and Schlieper (CC BY-NC-SA)
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Basic Algebra by Wikibooks (CC BY-SA)
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Basic Arithmetic Student Handbook by Dept. of Mathematics, Scottsdale Community College (CC BY-SA)
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Basic Mathematics by Khalagai (CC BY)
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Book of Proofs by Book of Proofs (CC BY-SA)
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Brief Calculus by Crowell (CC BY-SA)
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Calculus by Masenge (CC BY)
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Calculus by Guichard (CC BY-NC-SA)
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Calculus Volume 1 by Strang and Herman (CC BY-NC-SA)
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Calculus Volume 2 by Strang and Herman (CC BY-NC-SA)
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Calculus Volume 3 by Strang and Herman (CC BY-NC-SA)
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College Algebra by Abramson (CC BY)
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College Algebra  by Stitz and Zeager (CC BY-NC-SA)
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College Trigonometry by Stitz and Zeager (CC BY-NC-SA)
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Dalton State College APEX Calculus by Gonzalez, Hilgemann, and Schmurr (CC BY-NC-SA)
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Dimensions by Alvarez, Ghys, and Leys (video) (CC BY-NC-ND) [Review]
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Elementary Algebra by Burzynski and Ellis (CC BY)  [Review]
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Elementary Algebra by Marecek and Anthony-Smith (CC BY)  [Review]
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A First Course in Linear Algebra by Kuttler and Lyryx Learning (CC BY) Ancillaries
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Fundamentals of Calculus by Crowell, Robbin, and Angenent (CC BY-SA)
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Fundamentals of Mathematics by Burzynski and Ellis (CC BY) [Review]
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Geometry by OpenLearn (CC BY-NC-SA)
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Geometry by Cherinda (CC BY)
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Intermediate Algebra by Dept. of Mathematics, College of the Redwoods (CC BY-NC-SA) [Review]
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Intermediate Algebra Student Workbook by Dept. of Mathematics, Scottsdale Community College (CC BY-SA)
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Introduction to ICT by Hapanyengwi (CC BY)
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Introductory Algebra Student Handbook by Dept. of Mathematics, Scottsdale Community College (CC BY-SA)
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Linear Algebra by Hefferon (CC BY-SA)
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Linear Algebra by Cherney, Denton, and Waldron (CC BY-NC-SA)
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Linear Algebra by Chihaka (CC BY)
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Linear Algebra with Applications by Nicholson and Lyryx Learning (CC BY-NC-SA) Ancillaries
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Mathematics by The Free High School Science Texts (GFDL)
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Mechanics by Chihaka (CC BY)
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Number Theory by Cheqe (CC BY)
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Numerical Methods by Masenge (CC BY)
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Prealgebra by Maracek and Anthony-Smith (CC BY)
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Prealgebra Textbook by College of Redwoods Mathematics (CC BY-NC-SA)
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Precalculus by Abramson (CC BY)
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Precalculus by Stitz and Zeager (CC BY-NC-SA)
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Trigonometry by Corral (GFDL)
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Trigonometry by Wikibooks (CC BY-SA)
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