Australia
ANU Centre for European Studies – Fellowships
Endeavour Scholarships and Fellowships
Global Connections Fund (GCF)
Regional Collaborations Programme

Slovenia
Slovene Human Resources and Scholarship Fund

European Union
Erasmus+  (see also Erasmus Program Scholarships)
Horizon 2020

United States of America
American Slovenian Education Foundation (ASEF)

For collaborations with particular universities and their funding opportunities see International Applicants / Students  or similar pages on their official websites.