Shodhganga
Shodhganga: a reservoir of Indian theses is a digital repository of theses and dissertations submitted to universities in India.

NDLTD
The Networked Digital Library of Theses and Dissertations (NDLTD) is an international organization that promotes the creation, access to, and preservation of electronic theses and dissertations (ETDs) from academic institutions around the world. The NDLTD Union Catalog provides access to over a million ETDs.

OATD
OATD aims to be the best possible resource for finding open-access graduate theses and dissertations published around the world.

EBSCO Open Dissertations
It is a free database with records for more than 1.4 million electronic theses and dissertations from more than 320 universities around the world.

Thesis Commons
Thesis Commons is a free, open repository for author-deposited theses and dissertations from any area of scholarship.

DART-Europe
European Electronic Theses and Dissertations (ETDs) DART-Europe is a partnership of over 550 research libraries and library consortia in 28 countries that are working together to improve global access to European research theses. The portal is a searchable database of electronic research theses held in European repositories.

Theses Canada
Indexes more than 425,000 Canadian theses and dissertations from 1965. This database also provides free access to over 200,000 full-text electronic Canadian theses and dissertations.