Open Source Endowment

Open Source EndowmentOpen Source Endowment
Open Source Endowment

Open Source Endowment

A nonprofit endowment aiming to permanently solve the funding problem for open-source software maintainers.

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About

The Open Source Endowment is a 501(c)(3) nonprofit organization founded by VC investor Konstantin Vinogradov and backed by prominent open-source programmers. Its mission is to provide sustainable, long-term funding for critical open-source projects and their maintainers, addressing the perennial issue of underfunded and burned-out developers. It operates by building a large endowment, investing its assets, and distributing a fraction of the income to projects based on criteria like user base and reliance by other software, prioritizing those not already well-supported.

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detected 2026-07-03
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Frequently asked

What does Open Source Endowment do?

The Open Source Endowment is a 501(c)(3) nonprofit organization founded by VC investor Konstantin Vinogradov and backed by prominent open-source programmers. Its mission is to provide sustainable, long-term funding for critical open-source projects and their maintainers, addressing the perennial issue of underfunded and burned-out developers. It operates by building a large endowment, investing its assets, and distributing a fraction of the income to projects based on criteria like user base and…

How much funding has Open Source Endowment raised?

Open Source Endowment has raised a total of $750K in funding.

Where is Open Source Endowment headquartered?

Open Source Endowment is headquartered in San Francisco, United States.

When was Open Source Endowment founded?

Open Source Endowment was founded in 2026.

What industry does Open Source Endowment operate in?

Open Source Endowment operates in Open Source, Non-profit, Technology, Software Development, Philanthropy, Fintech.

What is Open Source Endowment's revenue?

StartupHub estimates Open Source Endowment's annual revenue at $150K (range $91K to $355K, 32% confidence), based on comparable companies in the sector.

What is Open Source Endowment's valuation?

StartupHub estimates Open Source Endowment's effective valuation at $15.4M (range $10.0M to $23.7M, 58% confidence), based on comparable companies in the sector.