| Organization Name | Site Name | Site URL | Type of Organization | Country | Technology | Version |
|---|---|---|---|---|---|---|
| American University of Sharjah | aus.edu | academic | United Arab Emirates | DSpace | 1.x | |
| Amherst College | Amherst College Digital Collections | academic | United States | Fedora | 3.x | |
| AMKIT Consortium, Arene ry | theseus.fi | consortium | Finland | DSpace | 3.x | |
| An Giang University | agu.edu.vn | academic | Vietnam | DSpace | ||
| Anadolu University | anadolu.edu.tr | academic | Turkey | DSpace | 4.x | |
| Anatomia de red | Anatomia de red | academic | Peru | Fedora | 4.x | |
| Andrzej Frycz Modrzewski Krakow University (AFMKU) | eRIKA | academic | Poland | DSpace | ||
| Angelo State University | Angelo State University Digital Repository | tdl.org | academic | United States | DSpace | 6.x |
| Angie Ltd | personal | Uganda | DSpace | 1.x | ||
| Anglia Ruskin University | openrepository.com | academic | United Kingdom | DSpace | 1.x | |
| ANIL NEERUKONDA INSTITUTE OF TECHNOLOGY AND SCIENCES | anits.edu.in | academic | India | DSpace | 4.x | |
| Anjuman-I-Islam's Kalsekar Technical Campus | Welcome To KRRC Institutional Repository! | academic | India | DSpace | 4.x | |
| Ankara University | Ankara Üniversitesi Akademik Arşiv Sistemi | ankara.edu.tr | academic | Turkey | DSpace | 6.x |
| Anna University | anna-university.in | academic | India | DSpace | 1.x | |
| Anna University-BIT Campus | academic | India | DSpace | 1.x | ||
| Annamalai University | Drcprlibrary | Drcprlibrary.edu.in | academic | India | DSpace | 6.x |
| Anwesan @ SNLTR by CSE, IIT Kharagpur | ernet.in | government | India | DSpace | 1.x | |
| Arab Open University | arabou.edu.kw | academic | Kuwait | DSpace | 1.x | |
| archiva | ARCHIVA | academic | United States | ArchivesSpace | ||
| Archives Centre Ltd | digiarhiiv.ee | commercial/corporate | Estonia | DSpace | ||
| Archivo Municipal de Murcia | murcia.es | other | Spain | DSpace | ||
| Archivologia-CBA | Archivologia-CBA | personal | Argentina | DSpace | ||
| Archivos de Neurologia | annyn.org.ar | research center | Argentina | DSpace | ||
| Arctic Council | Arctic Council - Open Access Archive | government | Norway | DSpace | ||
| Arctic Council Secretariat | arctic-council.org | Canada | DSpace | 4.x | ||
| Organization Name | Site Name | Site URL | Type of Organization | Country | Technology | Version |
DuraSpace is now a part of 