OpportunityBox
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OpportunityBox

An open-source directory of conferences, workshops, trainings, fellowships, volunteer positions, and calls for papers from around the world, with deadlines, funding info, and application links in one place.

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  • All opportunities
  • Fellowships
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One email a week: new opportunities + deadlines closing soon.

MIT licensed · Created by S M Asif Hossain · Built by the community, for the community

Explore opportunities

45 open opportunities worldwide, updated continuously.

Fellowship
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Desalination and Water Purification Research Program: Research Projects

Desalination and Water Purification Research Program: Research Projects, a US federal funding opportunity from Bureau of Reclamation (opportunity number R26AS00052). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Sep 29, 2026
Fellowship
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Postdoctoral Research Fellowships in Biology

Postdoctoral Research Fellowships in Biology, a US federal funding opportunity from U.S. National Science Foundation (opportunity number 26-504). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Sep 29, 2026
Fellowship
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DoW Ovarian Cancer, Clinical Trial Award

DoW Ovarian Cancer, Clinical Trial Award, a US federal funding opportunity from Defense Health Agency Contracting Activity - DHACA (opportunity number HT942526OCRPCTA). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Oct 1, 2026
Fellowship
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DoW, Ovarian Cancer, Investigator-Initiated Research Award

DoW, Ovarian Cancer, Investigator-Initiated Research Award, a US federal funding opportunity from Defense Health Agency Contracting Activity - DHACA (opportunity number HT942526OCRPIIRA). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Oct 1, 2026
Fellowship
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DoW, Ovarian Cancer, Pilot Award

DoW, Ovarian Cancer, Pilot Award, a US federal funding opportunity from Defense Health Agency Contracting Activity - DHACA (opportunity number HT942526OCRPPA). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Oct 1, 2026
Fellowship
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DoW, Ovarian Cancer, Ovarian Cancer Academy Early-Career Investigator Award

DoW, Ovarian Cancer, Ovarian Cancer Academy Early-Career Investigator Award, a US federal funding opportunity from Defense Health Agency Contracting Activity - DHACA (opportunity number HT942526OCRPOCAECI). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Oct 1, 2026
Fellowship
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DoW, Ovarian Cancer, Ovarian Cancer Clinical Trial Academy Early-Career Investigator Award

DoW, Ovarian Cancer, Ovarian Cancer Clinical Trial Academy Early-Career Investigator Award, a US federal funding opportunity from Defense Health Agency Contracting Activity - DHACA (opportunity number HT942526OCRPOCCTAECI). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Oct 1, 2026
Fellowship
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Limited Competition: Intellectual and Developmental Disabilities Research Centers 2027 (P50 Clinical Trial Optional)

Limited Competition: Intellectual and Developmental Disabilities Research Centers 2027 (P50 Clinical Trial Optional), a US federal funding opportunity from National Institutes of Health (opportunity number RFA-HD-27-012). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Oct 2, 2026
Fellowship
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DoW Peer Reviewed Cancer, Idea Award

DoW Peer Reviewed Cancer, Idea Award, a US federal funding opportunity from Defense Health Agency Contracting Activity - DHACA (opportunity number HT942526PRCRPIA). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Oct 5, 2026
Fellowship
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AAAS Mass Media Science & Engineering Fellows Program

A 10-week summer fellowship placing STEM graduate students in newsrooms across the US to work as science journalists. Weekly stipend plus travel costs.

United StatesFully fundedDue Oct 12, 2026
Fellowship
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NSF Astronomy and Astrophysics Postdoctoral Fellowships

NSF Astronomy and Astrophysics Postdoctoral Fellowships, a US federal funding opportunity from U.S. National Science Foundation (opportunity number 22-621). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Oct 15, 2026
Fellowship
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Mathematical Sciences Postdoctoral Research Fellowships

Mathematical Sciences Postdoctoral Research Fellowships, a US federal funding opportunity from U.S. National Science Foundation (opportunity number 23-603). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Oct 21, 2026
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