Several post-secondary institutions in Canada, the United States, and throughout the world have established their own instances of Pressbooks. And many, host a catalogue of open textbooks and other OER within those instances. Several of these are listed below alphabetically by province and territory (Canada), state (the U.S.), and the rest by country.

CANADA

Alberta

• MacEwan University: MacEwan Open Books
• Open Education Alberta: Library Publishing for Open Textbooks

British Columbia

• BCcampus: BC Open Textbooks and BC Faculty Pressbooks
  • Pressbooks Catalogue of BCcampus published open textbooks
• Kwantlen Polytechnic University: Open Education
• Thompson Rivers University Pressbooks
• Trinity Western University

Manitoba

• Campus Manitoba Pressbooks Pilot Network: Open Resources Adapted and Created in Manitoba

New Brunswick

• AtlanticOER Pressbooks Network
• Rutgers University: Pressbooks pilot

Newfoundland and Labrador

• AtlanticOER Pressbooks Network

Nova Scotia

• AtlanticOER Pressbooks Network
• Dalhousie University Libraries Digital Editions
• NSCC Libraries Pressbooks

Ontario

• Carleton University Pressbooks publishing system
• eCampusOntario: Open Library Publishing Platform
• Ryerson University Pressbooks
• Seneca College Pressbooks System
• University of Guelph Open Books
• University of Toronto Open E-Text
• York University Pressbooks

Prince Edward Island

• AtlanticOER Pressbooks Network
• University of PEI: Pressbooks at the Robertson Library

Quebec

• Rebus Press

Saskatchewan

• Saskatchewan Polytechnic: pressbooks.saskpolytech.ca
• University of Regina: opentextbooks.uregina.ca
• University of Saskatchewan: OpenPress.USask.ca

UNITED STATES

Arizona

• Maricopa Open Digital Press (Maricopa Community Colleges)
• UA Open Textbooks (University of Arizona)

Arkansas

• University of Arkansas Libraries

California

• The Claremont Colleges Pressbooks
• UC Berkeley Open Book Publishing

Colorado

• Colorado State University Publishing
• CSU Pueblo Open Education

Florida

• Florida State College at Jacksonville Pressbooks
• University of Central Florida
• University of Florida

Georgia

• Georgia State University Open Educational Resources
• University of Georgia: Open UGA

Hawai’i

• University of Hawai’i Pressbooks

Idaho

• Boise State Pressbooks

Illinois

• College of DuPage Digital Press

Indiana

• Indiana University Pressbooks

Iowa

• Iowa State University Digital Press
• University of Iowa Pressbooks

Kansas

• FHSU Digital Press
• Kansas State University: New Prairie Press Open Book Publishing

Massachusetts

• Bay Path University
• University of Massachusetts Amherst Libraries

Michigan

• Lansing Community College: The OpenLCC OER Development Library

• Michigan State University: OER at MSU Libraries

Minnesota

• Minnesota Libraries Publishing Project
• University of Minnesota Libraries

Nebraska

• University of Nebraska Pressbooks

New Hampshire

• Pressbooks @ Granite State College

New York

• SUNY: Milne Publishing

Ohio

• Cleveland State University: Pressbooks @MSL (Michael Schwartz Library)
• The Ohio State University Pressbooks

Oklahoma

• Online Consortium of Oklahoma Press: Open OCO
• Oklahoma State University: Open OKState

Oregon

• Mt Hood Community College: MHCC Library Pressbooks
• Open Oregon Educational Resources
• Oregon State University Open Textbooks
• Portland State University Pressbooks

Pennsylvania

• Muhlenberg College Open Educational Resources
• Shippensburg University Open Press
• The Pennsylvania State University

Rhode Island

• Roger Williams University Open Publishing

Texas

• University of Houston Open Educational Resources
• University of Texas at Arlington: Mavs Open Press

Utah

• Open SLCC: Salt Lake Community College Pressbooks

Virginia

• Pressbooks at Virginia Tech
• VIVA Open Publishing (Virtual Library of Virginia)

Washington

• South Puget Sound Community College
• University of Washington Libraries: Pressbooks Publishing Platform
• Washington State University: Open Text WSU
• Whatcom Community College: Open Textbook Collection

Wisconsin

• Nicolet College
• University of Wisconsin Pressbooks
• Wisconsin Technical Colleges Open Press

SOUTHERN HEMISPHERE

Australia

• Charles Darwin University: CDU Open Book Publishing
• James Cook University: JCU Open eBooks
• Queensland University: QUT eBooks
• University of Southern Queensland