| Ludwig-Maximilians-Universität München | Arabic Papyrology Database II | 12/05/13 | $466,000 | Munich, Germany | Public Knowledge |
| Duke University | Duke Databank of Documentary Papyri | 11/22/04 | $49,500 | Durham, NC, United States | Public Knowledge |
| National Association for Olmsted Parks | Frederick Law Olmsted Papers | 01/22/13 | $75,000 | Washington, DC, United States | Public Knowledge |
| University of Cambridge | Newton Papers | 12/15/00 | $674,000 | Cambridge, United Kingdom | Public Knowledge |
| American Political Science Association | Online Annual Meeting Papers | 09/22/97 | $12,000 | Washington, DC, United States | Public Knowledge |
| Children’s Defense Fund | Edelman Papers | 09/18/08 | $55,000 | Washington, DC, United States | Public Knowledge |
| Newberry Library | French Paleography | 10/03/13 | $526,000 | Chicago, IL, United States | Public Knowledge |
| Association of American University Presses, Inc. | Creation of a Digital Monograph P+L | 02/22/16 | $50,200 | New York, NY, United States | Public Knowledge |
| American Library Association | Let Our Legacy Be Justice | 12/11/20 | $2,550,000 | Chicago, IL, United States | Public Knowledge |
| New York Public Library | Archives of Fernando Ortiz | 01/25/02 | $9,700 | New York, NY, United States | Public Knowledge |
| LYRASIS | Establishing Organizational Home for CollectionSpace | 12/05/13 | $1,500,000 | Atlanta, GA, United States | Public Knowledge |
| Yale University | Oral History - American Music | 03/14/08 | $294,000 | New Haven, CT, United States | Public Knowledge |
| Tulane University | Library Operations | 08/12/99 | $45,000 | New Orleans, LA, United States | Public Knowledge |
| Association of Research Libraries | Interlibrary Loan Operations | 06/16/95 | $160,000 | Washington, DC, United States | Public Knowledge |
| Anthology of Recorded Music, Inc. | General Operations | 03/20/06 | $3,500,000 | Brooklyn, NY, United States | Public Knowledge |
| Abilene Christian University | Humanities Open Book | 03/06/19 | $103,000 | Abilene, TX, United States | Public Knowledge |
| Ithaka Harbors, Inc. | Humanities Open Book | 03/15/18 | $200,000 | New York, NY, United States | Public Knowledge |
| Code for Science & Society, Inc. | Invest in Open Infrastructure | 01/22/21 | $135,125 | Portland, OR, United States | Public Knowledge |
| Birkbeck College | Open Library of Humanities | 06/04/15 | $741,000 | London, United Kingdom | Public Knowledge |
| Smithsonian Institution | American Art Collaborative Linked Open Data Initiative | 07/21/14 | $50,000 | Washington, DC, United States | Public Knowledge |
| Northwestern University | Humanities Open Book | 12/10/15 | $73,000 | Evanston, IL, United States | Public Knowledge |
| University of Arizona | Humanities Open Book | 03/09/17 | $73,000 | Tuscon, AZ, United States | Public Knowledge |
| Massachusetts Institute of Technology | Humanities Open Book | 03/15/18 | $157,000 | Cambridge, MA, United States | Public Knowledge |
| University of Kansas | Humanities Open Book | 03/06/19 | $129,000 | Lawrence, KS, United States | Public Knowledge |
| University of Florida at Gainesville | Humanities Open Book | 12/10/15 | $79,000 | Gainesville, FL, United States | Public Knowledge |
