| Organization Name | Site Name | Site URL | Type of Organization | Country | Technology | Version |
|---|---|---|---|---|---|---|
| Aletheia University | au.edu.tw | academic | Taiwan | DSpace | ||
| alfalah university | alfalah university | academic | United Arab Emirates | DSpace | 4.x | |
| Alfred R. Neumann Library, University of Houston - Clear Lake | Institutional Repository @ UHCL | tdl.org | academic | United States | DSpace | 6.x |
| Alfred University Research and Archives | Alfred University Research and Archives | academic | United States | DSpace | 5.x | |
| Alfred Wegener Institute for Polar and Marine Research | www.awi.de | research center | Germany | Fedora | ||
| aLif Tech | government | Brunei Darussalam | DSpace | 1.x | ||
| Allegheny College | allegheny.edu | academic | United States | DSpace | 5.x | |
| Alliance B School | alliancebschool.org | academic | India | DSpace | 1.x | |
| Almaty Management University | almau.edu.kz | academic | Kazakhstan | DSpace | 5.x | |
| Altai State University | elibrary.asu.ru | academic | Russia | DSpace | 1.x | |
| alus | alus | non-profit | Indonesia | DSpace | 4.x | |
| Alva's Institute of Engineering and Technology | academic | India | DSpace | |||
| Alzaiem Alazhari University | Alzaiem Alazhari University Repository | academic | Sudan | DSpace | 4.x | |
| Amasya University | Amasya University Institutional Repository | amasya.edu.tr | academic | Turkey | DSpace | 6.x |
| American Academy in Rome | aarome.org | museum | United States | Fedora | ||
| American College of Thessaloniki | anatolia.edu.gr | academic | Greece | DSpace | 1.x | |
| American Geophysical Union | agu.org | non-profit | United States | Fedora | ||
| American Library Association Institutional Repository | ala.org | consortium | United States | DSpace | 4.x | |
| American Museum of Natural History Research Library | amnh.org | museum | United States | DSpace | 1.x | |
| American Philosophical Society | amphilsoc.org | non-profit | United States | Fedora | ||
| American Psychological Association | APA VIVO | apa.org | professional society | United States | VIVO | older than 1.6.0 |
| American University in Cairo | aucegypt.edu | academic | Egypt | DSpace | 3.x | |
| American University of Beirut | AUB Scholarworks | academic | Lebanon | DSpace | 5.x | |
| American University of Central Asia | auca.kg | academic | Kyrgyzstan | DSpace | ||
| American University of Kuwait | AUK Repository | academic | Kuwait | DSpace | 5.x | |
| Organization Name | Site Name | Site URL | Type of Organization | Country | Technology | Version |
DuraSpace is now a part of 