National Science Foundation
NSF X-Labs is a planned $1.5 billion initiative for large, multiyear awards to independent, full-time research and development teams pursuing technical breakthroughs outside traditional university and industry-lab structures. The first two topic announcements closed in July 2026. Scientific Instrumentation for Sensing and Imaging proposals were due 13 July 2026. Quantum Systems interconnects and integrated photonics proposals were due 24 July 2026. NSF has said additional topics will be announced.
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- Active
- How to apply
- In rounds
NVIDIA
Free program guiding AI startups with training, developer tools, preferred hardware/software pricing, and investor introductions through a VC Alliance. No fees, deadlines, or cohorts — rolling applications.
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- Active
- How to apply
- Not recorded
Obol
Obol Technical Grants are now open for applications. The program offers funding for four specific open-source projects: DVT-TEE security research, Dappnode validator features, GotEth data indexer, and a token monitoring dashboard.
All grants support development that benefits the Obol Collective and its Distributed Validator Technology ecosystem.
Apply directly through the details posted on X at https://x.com/Obol_Collective/status/2029557050620211384.
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- Active
- How to apply
- Not recorded
Octant
Octant's recurring epoch-based public-goods funding round, distributing a matching pool via quadratic funding to participating ecosystem projects.
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- Active
- How to apply
- In rounds
Arbitrum Foundation
Olympix Arbitrum Security Grant — Teams Now Being Onboarded
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- Active
- How to apply
- Not recorded
Omidyar Network
A dedicated Omidyar Network funding effort, launched with a $30M initial investment, to promote inclusive and responsible development of generative AI. Made at least 6 awards as part of the initial cohort.
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- Active
- How to apply
- Not recorded
Sentient Foundation
$42M in non-dilutive grants and investments for open-source AGI development
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- Active
- How to apply
- Not recorded
Open Source Endowment
The Open Source Endowment is billed as the first endowment fund dedicated to sustainably funding open source projects, investing donations in a low-risk portfolio and disbursing only investment income as grants, starting with roughly $5,000 microgrants.
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- Active
- How to apply
- Not recorded
OpenSats
Recurring wave-based grants funding Nostr protocol projects: app discovery, private calls, software distribution, client onboarding, and AI tools for open-source Bitcoin/freedom-tech developers.
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- Active
- How to apply
- Not recorded
Open Source Security Foundation
The funding channel through which OpenSSF allocates resources for audits, technical writers, interns, and other needs across its technical initiatives, working groups, and projects. Its defined request process includes tiers up to $70,000–$150,000. A separate $12.5 million coalition investment announced in March 2026 supplies OpenSSF and Alpha-Omega with capital for sustainable open source security work; it is not a standalone public application round.
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- Active
- How to apply
- Not recorded
Optimism Foundation
Grants Council Mission Expected impact on the Intent: The Grants Council makes grants, on behalf of the Token House, in an effort to make progress towards the Intent.
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- Active
- How to apply
- Not recorded
Optimism Foundation
In 2025, Retro Funding sharpens its focus on data-driven impact measurement , using targeted Missions to develop robust methods for evaluating specific types of contributions. The Retro Funding Missions from S7, Onchain Builders and Dev Tooling, will continue in S8.
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- Active
- How to apply
- Not recorded
Cardano Foundation
An $80 million equity-first ecosystem fund managed by Draper Dragon for high-growth companies building on or integrating with Cardano. It focuses on real-world assets, institutional DeFi, and links between Cardano and Bitcoin, with the Cardano Foundation serving as constitutional administrator rather than fund manager.
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- Active
- How to apply
- Not recorded
Software Freedom Conservancy
Outreachy is a paid open-source internship program (administered with Software Freedom Conservancy support) offering $7,000 USD stipends, running two rounds a year. December 2026 initial applications are open from 24 August to 31 August 2026 at 16:00 UTC. Internships run 7 December 2026 to 8 March 2027.
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- Active
- How to apply
- In rounds
Patch the Planet
In-kind security-engineering support for critical open source projects: a dedicated Trail of Bits review week producing patches, tooling improvements, and coordinated disclosures, plus six months of ChatGPT Pro/Codex access for selected maintainers. No cash grant.
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- Active
- How to apply
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The Perl & Raku Foundation
A donation-funded grant initiative of The Perl & Raku Foundation supporting development of the Perl core language. Proposals are reviewed on a bi-monthly cycle (call opens every two months, two-week public feedback window before committee vote).
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- Active
- How to apply
- Not recorded
Pharos Network
A $20M ecosystem grant program for builders on Pharos Network (RWA tokenization, decentralized payments, DeFi, tooling/infrastructure), applied for at pharos.xyz/ecosystem; run alongside a separate $10M RealFi/RWA incubator (Builder Base Camp, with HackQuest).
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- Active
- How to apply
- Not recorded
Pharos Network
The Pharos Incubator Program offers a $10M fund supporting visionary projects building on the Pharos Layer-1 network. The program targets three innovation paths: RWA/Payments, DeFi, and Innovative Infrastructure. Selected projects receive capital, direct technical mentorship from the core development team, go-to-market support, fundraising connections, and financial and legal expertise. Applications are currently open via an online submission form followed by an internal review process.
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- Active
- How to apply
- Not recorded