CodeSupply Project Grants

CodeSupply Project Grants is sponsored by NLnet Foundation. These grants support free and open-source projects that strengthen software supply chain security and the reliability of the open internet. Eligible activities include scientific research, software and hardware development, formal security proofs, and security audits.

Submit your proposals. Next deadline November 3. 2026 Next deadline: November 3 rd 2026 12:00 CET (noon) Through this form you can request financial support for your project.

NLnet runs several funds with different themes and eligibility requirements, so learn more about our funding and see if any fund matches. Some general requirements: Our grants are primarily for technical development . Software, hardware and content must be released under open licences and apply (preferably open) standards .

We are not interested in AI-generated projects or proposals. See our Generative AI policy . Our EU-supported funds require a strong 'European dimension'; usually this means applicants should (mostly) be from Horizon Europe-eligible countries.

Please be short and to the point in your answers; submitting a proposal can be quick! Please answer in plain text and in English, in your own words . We don't care about spelling or grammar, only about your ideas.

If you really need AI-assistance, keep your prompts/interactions and submit your logs below. Which of our funds are you applying for? -- Please choose a fund -- Project website(s) / repositories Please summarise the proposed project and its expected results in a few lines.

(max. 1000 characters) How much money do you request for your project? In Euros.

Between € 5 000 and € 50 000 for a first grant. Please provide a breakdown clarifying how the requested budget would be used. Which tasks will you undertake, and (roughly) how much time/effort will each take?

What hourly/daily/monthly rate did you use? Will there be any expenses ? Please compare your own project with other relevant efforts (both existing and historical).

What is new , more thorough or otherwise different? Have you considered contributing to any of the others? (max.

4000 characters) What technical challenges do you expect during the project? (max. 4000 characters) What is the ecosystem around your own project, and how will you engage relevant actors?

For example, does your project depend on other projects/people? And who would be the main users ? (max.

2000 characters) What makes you the right person(s) for this effort? Do you have relevant experience in this or other projects/organisations? And if so, can you tell us a bit about your contributions?

(max. 2000 characters) Does (or did) the project have other funding sources? (max.

1000 characters) Attachments are not needed . Please ensure the proposal is self-contained. But in case you have supplementary material you wish to share (e.g. spreadsheets, diagrams, endorsements), you can do so here.

(As HTML, PDF, ODF, images or plain text. Max 50 MB in total.) Did you use generative AI in writing this proposal?

(See our GenAI policy .) -- Please choose an option -- No, I did not use generative AI in writing this proposal Yes, I have used generative AI in writing this proposal Which model did you use? What did you use it for?

Please paste your prompts/interactions and the AI output in this text field (max. 8000 characters), or upload them as a file. Upload prompts/dialogues used in creation of this proposal.

(max. 50 MB in total) In case you have an OpenPGP key feel free to provide it. Note we are not (yet) equipped to encrypt every email to you.

(max 10 000 characters) Phone number Please do not forget the country code. Collective (without legal entity) Association (not-for-profit entity) Cooperatively-owned company SME company (small/medium enterprise) Country Your country of residence, or what comes closest.

Bonaire, Sint Eustatius and Saba British Indian Ocean Territory Congo (Congo-Brazzaville) Côte d'Ivoire / Ivory Coast Falkland Islands [Malvinas] French Southern Territories Heard Island and McDonald Islands Saint Helena, Ascension and Tristan da Cunha Saint Martin (French part) Saint Pierre and Miquelon Saint Vincent and the Grenadines Sint Maarten (Dutch part) South Georgia and the South Sandwich Islands Tanzania, the United Republic of United Kingdom of Great Britain and Northern Ireland United States Minor Outlying Islands If you apply for an EU-funded programme but you are not from a Horizon Europe-eligible country , please clarify how your project might satisfy the 'European dimension' requirement in the background question above.

(e.g. European citizenship). Proposals and applicant details are considered confidential information, and only minimal information is shared with NLnet's partners when needed; please read our privacy statement . NLnet is looking for a Rust developer .

Currently open for proposals: And help us support the open internet! NLnet is looking for a junior/senior technology assessor. Come by for a chat every last Wednesday of the month at 4 PM CET in our Matrix room.

Conversations with people building the Next Generation Internet Nominate Free Software Projects for the four €10. 000 BlueHats Prizes. Help us with 5 minutes of your time.

2026-09-30 - Office hour: Ask us Anything Apply for funding before November 3rd 2026 2026-09-03 NLnet is looking for a Rust developer 2026-08-17 Five new projects strengthen NGI Pilots 2026-08-11 Help us by protecting open source and its users with 5 minutes of your time. Nominate Free Software Projects for the four €10. 000 BlueHats Prizes.