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Free documentation for open source projects

7 companies, 7 verified offers, re-checked weekly. Not sure which you qualify for? Match your repo.

Documentation, 7 companies

IDCompanyWhat you getStatusVerified
FOS-0023 Bump.shdocumentation Free access to the Bump.sh Pro plan (listed at $250/month) for open source projects, hosted API… ACTIVE verified 2026-09-07 ›
What you get
Free access to the Bump.sh Pro plan (listed at $250/month) for open source projects, hosted API documentation and changelogs for OpenAPI/AsyncAPI definitions.
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
Email hello@bump.sh with your open source project details (link on the pricing page).
Provenance
Confirmed against bump.sh/pricing on 2026-09-07, matched anchor “get free access to Bump.sh Pro plan”.
Open program page ↗Check your repo →
FOS-0075 Fiberyproject managementdocumentation Fibery is 100% free for all open-source projects (full product at no cost, not a discount)… ACTIVE verified 2026-09-07 ›
What you get
Fibery is 100% free for all open-source projects (full product at no cost, not a discount). Fibery also offers a separate 50% permanent discount for educational and nonprofit organizations.
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
Submit the application form for open-source projects linked from the special-pricing page ("just let us know").
Provenance
Confirmed against fibery.com/blog/product-updates/fibery-special-pricing on 2026-09-07, matched anchor “Open source companies support”.
Open program page ↗Check your repo →
FOS-0078 GitBookdocumentation Free branded documentation site for open source projects on the "Sponsored site" plan: custom domain,… ACTIVE verified 2026-09-07 ›
What you get
Free branded documentation site for open source projects on the "Sponsored site" plan: custom domain, logo, theme and fonts, scaled docs with sections and groups, AI Assistant, advanced site insights, private share links, and search indexing control. Sites can optionally run ethical ads to fund the project; GitBook takes none of the ad revenue.
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
Contact GitBook support via the button next to the Sponsored plan on the offer page.
Provenance
Confirmed against gitbook.com/solutions/open-source on 2026-09-07, matched anchor “open source docs that help fund your project”.
Open program page ↗Check your repo →
FOS-0119 Mintlifydocumentation Mintlify Pro plan free forever for qualifying open source projects: hosted docs with custom domain and… ACTIVE verified 2026-09-07 ›
What you get
Mintlify Pro plan free forever for qualifying open source projects: hosted docs with custom domain and branding, advanced analytics, and interactive API playground with live testing (Pro normally $250/month).
Applies to
the project , not individual maintainers
Requirements
OSI-approved licensenon-commercial / non-profit
run a repo match above to see which you meet →
How to apply
Application form (Typeform) linked from the OSS program page.
Provenance
Confirmed against mintlify.com/oss-program on 2026-09-07, matched anchor “supporting non-commercial open source projects”.
Open program page ↗Check your repo →
FOS-0140 Read the Docsdocumentation Free, ad-supported documentation hosting for open source projects on Read the Docs Community: public… ACTIVE verified 2026-09-07 ›
What you get
Free, ad-supported documentation hosting for open source projects on Read the Docs Community: public repository cloning, public docs hosting, automatic builds, versioning, search, pull request previews, and CDN hosting. "Open source documentation is always free on Read the Docs Community."
Applies to
the project , not individual maintainers
Requirements
public repository
run a repo match above to see which you meet →
How to apply
Self-serve, sign up for the Community tier via the "Sign up for open source" link on the pricing page.
Provenance
Confirmed against about.readthedocs.com/pricing on 2026-09-07.
Open program page ↗Check your repo →
FOS-0163 StainlessIDEs and dev toolsdocumentationmore tools Stainless Starter plan (normally $79/month per SDK generator) free for qualifying non-commercial open… ACTIVE verified 2026-09-07 ›
What you get
Stainless Starter plan (normally $79/month per SDK generator) free for qualifying non-commercial open source projects: SDK generation from OpenAPI specs, plus documentation site and MCP server generation.
Applies to
the project , not individual maintainers
Requirements
non-commercial / non-profit
run a repo match above to see which you meet →
How to apply
Create a free account, then email Stainless (address on pricing page) to request FOSS approval.
Provenance
Confirmed against stainless.com/pricing on 2026-09-07, matched anchor “Starter plan for free to qualifying non-commercial”.
Open program page ↗Check your repo →
FOS-0166 Syncro SoftIDEs and dev toolsdocumentation Up to ten Named User 6-month subscription-free Oxygen XML licenses each year for a project's leads and… ACTIVE verified 2026-09-07 ›
What you get
Up to ten Named User 6-month subscription-free Oxygen XML licenses each year for a project's leads and core contributors.
Applies to
contributors
Requirements
actively developed
run a repo match above to see which you meet →
How to apply
Application form on the offer page (project name, URL, license page, forum/mailing list, description, contact); Oxygen team reviews and responds.
Provenance
Confirmed against oxygenxml.com/open_source_request_form.html on 2026-09-07, matched anchor “open-source license”.
Open program page ↗Check your repo →
No records match.

Discontinued documentation

These offers are gone. Kept on the record so you do not waste an application: Apiary, Sanity.

Browse all 170 companies in the directory.