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Directory › Communication

Free communication for open source projects

3 companies, 3 verified offers, re-checked weekly. Not sure which you qualify for? Match your repo.

Communication, 3 companies

IDCompanyWhat you getStatusVerified
FOS-0053 Cossistantcommunicationmore tools Cossistant Pro plan (support/chat widget) free with included credits, plus a dofollow listing on their… ACTIVE verified 2026-09-07 ›
What you get
Cossistant Pro plan (support/chat widget) free with included credits, plus a dofollow listing on their featured projects page, a guest blog post opportunity, and integration/customization help from the team.
Applies to
the project , not individual maintainers
Requirements
actively developedpublic repositorynon-commercial / non-profit
run a repo match above to see which you meet →
How to apply
Apply via the "Join the OSS friends Program" button on the page.
Provenance
Confirmed against cossistant.com/open-source-program on 2026-09-07, matched anchor “Open Source Program”.
Open program page ↗Check your repo →
FOS-0066 Discoursecommunication Free managed Discourse forum hosting on the probono plan: unlimited members and chat, unlimited public… ACTIVE verified 2026-09-07 ›
What you get
Free managed Discourse forum hosting on the probono plan: unlimited members and chat, unlimited public and private categories, unlimited tags, custom groups, email support, custom and community themes, custom domain, API and webhook access, and 5 staff seats. Hosted on a .discourse.group subdomain unless approved for a custom domain.
Applies to
the project , not individual maintainers
Requirements
no stated requirements
How to apply
Application form on the offer page (email, community name, project link, description, contributor count, desired URL); agree to Discourse Self-Serve Hosting Terms.
Provenance
Confirmed against discourse.org/open-source on 2026-09-07, matched anchor “qualifying creators can apply for free hosting”.
Open program page ↗Check your repo →
FOS-0187 Zulipcommunication Zulip Cloud Standard (the paid team chat plan, including full message history) free for open-source… ACTIVE verified 2026-09-07 ›
What you get
Zulip Cloud Standard (the paid team chat plan, including full message history) free for open-source projects; Zulip sponsors hundreds of open-source projects including Rust and Lean.
Applies to
organization
Requirements
no stated requirements
How to apply
Create a Zulip Cloud organization and use the "Request sponsorship" flow (or contact sales@zulip.com).
Provenance
Confirmed against zulip.com/for/open-source on 2026-09-07, matched anchor “is free for open-source projects”.
Open program page ↗Check your repo →
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