Boundless was an American company, founded in 2011, which created free and low-cost textbooks and distributed them online.

[2] Boundless was founded in March 2011 by Ariel Diaz, Aaron White, and Brian Balfour.

Among other allegations, the lawsuit claims that "Boundless textbooks copy the distinctive selection, arrangement, and presentation of Plaintiffs’ textbooks, along with other original text, imagery, and protected expression of Plaintiffs and their authors, all in violation of the Copyright Act.

[10] The company's textbooks consisted of educational material taken from free and open sources.

Some of the source material included Wikipedia, the Encyclopedia of Earth, and government web sites.

Alternative textbooks allowed students to follow class reading and assignments that were based on a commercial text.