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
  • Calls for papers
  • Fully funded
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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

36 open opportunities worldwide, updated continuously.

Training
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Outreachy Internships

Paid, remote, three-month internships in open source and open science for people subject to systemic bias and underrepresentation in tech. $7,000 stipend, no degree required.

OnlineFully fundedDue Aug 31, 2026
Training
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ROSES 2025: A.10 INNOVATE

ROSES 2025: A.10 INNOVATE, a US federal funding opportunity from NASA Headquarters (opportunity number NNH25ZDA001N-INNOVATE). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Aug 31, 2026
Training
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Brookwood-Sago Mine Safety Grants

Brookwood-Sago Mine Safety Grants, a US federal funding opportunity from Mine Safety and Health Administration (opportunity number FOA-BS-2026-1). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Aug 31, 2026
Training
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Addressing Dementia in Tribal and Urban Indian Communities: CAReS Program

Addressing Dementia in Tribal and Urban Indian Communities: CAReS Program, a US federal funding opportunity from Indian Health Service (opportunity number HHS-2026-IHS-ALZ-0001). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Sep 4, 2026
Training
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DoW Vision, Mentored Clinical Research Award

DoW Vision, Mentored Clinical Research Award, a US federal funding opportunity from Defense Health Agency Contracting Activity - DHACA (opportunity number HT942526VRPMCRA). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Sep 10, 2026
Training
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OVW Fiscal Year 2026 Training and Services to End Abuse in Later Life Program

OVW Fiscal Year 2026 Training and Services to End Abuse in Later Life Program, a US federal funding opportunity from Office on Violence Against Women (opportunity number O-OVW-2026-172663). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Sep 14, 2026
Training
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Department of Interior Wildland Fire Service BLM-National Interagency Fire Center (NIFC) Joint Fire Science Program (JFSP)Fire Leaders And Managers, Emerging Scientists (FLAMES)

Department of Interior Wildland Fire Service BLM-National Interagency Fire Center (NIFC) Joint Fire Science Program (JFSP)Fire Leaders And Managers, Emerging Scientists (FLAMES), a US federal funding opportunity from Bureau of Land Management (opportunity number FA-NOFO0027-001). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Sep 17, 2026
Training
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FY27 Brownfields Job Training (JT) Grants

FY27 Brownfields Job Training (JT) Grants, a US federal funding opportunity from Environmental Protection Agency (opportunity number EPA-OLEM-OBLR-26-01). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Sep 23, 2026
Training
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Institutional Training Programs to Advance Translational Research on Alzheimer's Disease (AD) and AD-Related Dementias (ADRD) (T32 Clinical Trial Not Allowed)

Institutional Training Programs to Advance Translational Research on Alzheimer's Disease (AD) and AD-Related Dementias (ADRD) (T32 Clinical Trial Not Allowed), a US federal funding opportunity from National Institutes of Health (opportunity number PAR-25-247). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Sep 25, 2026
Training
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National Institute of General Medical Sciences Predoctoral Basic Biomedical Sciences Research Training Program (T32)

National Institute of General Medical Sciences Predoctoral Basic Biomedical Sciences Research Training Program (T32), a US federal funding opportunity from National Institutes of Health (opportunity number PAR-23-228). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Sep 25, 2026
Training
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ROSES25: B.2 Heliophysics Foundational Research

ROSES25: B.2 Heliophysics Foundational Research, a US federal funding opportunity from NASA Headquarters (opportunity number NNH25ZDA001N-HFR). See the official Grants.gov listing for eligibility, award amounts, and application instructions.

United StatesFully fundedDue Sep 25, 2026
Training
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Machine Learning Summer School (MLSS)

An intensive two-week summer school covering modern machine learning topics, taught by leading researchers. Aimed at graduate students and early-career researchers worldwide.

Cape Town, South AfricaPartial fundingDue Sep 27, 2026
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