The OeAD offers grants and scholarships to students and researchers from all over the world. The programmes range from grants aimed at broad target groups to more specific ones aimed at applicants from particular fields of study or regions. Here you can find information about open calls for scholarships including the respective application deadlines.
https://oead.at/en/news/article/2020/12/calls-for-applications-for-scholarships-for-the-year-202122/
