Apply for grants to fund Plone development

Plone Foundation
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I'd like to fund development of the proposed PLIP to enhance timezone support in Plone as described in [DRAFT] PLIP #5629: Enhance timezone support in UI for `plone.app.event` based types · Issue #5629 · plone/volto · GitHub.

@niccokunzmann suggested that I apply through NLnet; Apply for funding. He was successful with receiving a grant for development of the Open Web Calendar Stack, including collective/icalendar. NLnet's mission aligns somewhat with Plone's open source spirit. Would anyone care to share their experience, knowledge, or advice for applying for a grant with NLnet?

I would also like to apply for a grant from the Python Software Foundation. I'd appreciate any feedback about that process as well.

Finally are there any other sources of funding or grants to consider?

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Polar.sh allows funding specific GitHub issues and saying how much money would be needed to fix them. See discussion at polar.sh - funding specific issues · collective/icalendar · Discussion #697 · GitHub. This would be an interesting fundraising experiment to compensate developers for their time, so they can take out their sweetie on a date night.

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:laughing:

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GitHub grants for open source software to improve their security.

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This program by a company in Germany might be a good fit for Plone.

drive digitalization, particularly in markets that have not yet fully embraced digital solutions

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A long list of potential grants.

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Another potential funding source.

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Thx Steve – this is a great list. I hope we can get started looking into these...

Re Tidelift, a while ago I saw that Plone was not in the list of packages that it would support, but it seems that might have changed recently.

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More bounty options.

But use considerable caution, avoid BountySource problem.

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The Sovereign Tech Fund granted Drupal €278,700 and Open Web Docs €220,000, which manages MDN Web Docs .

If any German businesses are interested in applying on behalf of Plone, hit me up. Let’s apply at Sovereign Tech Fund | Sovereign Tech Agency.

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FWIW, I applied earlier this week. Fingers crossed!

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Another potential large funding source, in the range between $10,000 and $100,000.

https://floss.fund/

As an interesting side note, it's an initiative by Zerodha in India https://zerodha.com/open-source, which is a partner in FOSS United with Frappe, who was a $1000 donor via GitHub this year https://plone.org/news-and-events/news/news-for-2025/when-your-legacy-comes-home-frappes-gift-to-plone.

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Digital Ocean offers credits for its services for FOSS.

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A curated list of funding sources for FOSS maintainers.

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NLnet has opened new round of grant opportunities, including Restack. The next deadline is 3 Nov 2026. Plone will apply for this program, and possibly for another NLnet grant for an ActivityPub add-on. DM me here or on Discord, or chat with me at Plone Conference for more information.

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The Prototype Fund supports FOSS packages that implement security or protocols used by other developers. It's open only to people who pay taxes in Germany.

https://www.prototypefund.de/faq

If you have a project for Plone or any of its related packages, feel free to contact me for application assistance.

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This sounds like a worthwhile project, especially since improved timezone support could benefit many Plone users. NLnet and the Python Software Foundation seem like useful funding options to explore. It would also be helpful to hear from anyone who has successfully applied for these grants and can share advice, examples, or common requirements for preparing a strong application.