Thunderbird Free

Thunderbird is a free, open-source email, calendar and contacts app from Mozilla for Windows, Linux and macOS.

ThunderbirdUpdated monthly · checked 5 h ago

Thunderbird Free is a productivity and SaaS perk from Thunderbird, offering a free plan (open source, any desktop), with no funding required.

Value: Free plan
Who qualifies: No funding needed
Benefit type: Free plan
Terms: Verified

Apply at Thunderbird

Get new Productivity & SaaS programs by email

Get an email if Thunderbird Free closes, changes its offer or sets a deadline. Also every new Productivity & SaaS program as it opens. Unsubscribe in one click.

While you apply

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What you get

Inside Thunderbird Free

Thunderbird's page says it is free forever and donations are optional. It is open source, part of the Mozilla family, and runs on Windows, Linux and macOS. The page lists no paid plan.

Source: The provider's official program page

Eligibility

Who it's for

Free plan Any startup

Funding / backing: No funding needed
Geography: Global
Recurring / expiry: Free with no time limit.
Other requirements: No account or card is needed to download and use the app.

How to claim

How to apply for Thunderbird Free

Steps to apply

1Download Thunderbird from thunderbird.net.
2No application is needed.

Good to know: Plans read on thunderbird.net on October 29, 2026.

Apply at Thunderbird

Source: The provider's official program page

Value is the headline maximum Thunderbird advertises. What your company actually receives depends on your eligibility and how you use the program, and terms can change. A comparison, not endorsed by the programs listed. A link labeled as a referral link may earn us a commission, and a program labeled Same owner comes from the company that runs StartupPerks. Confirm current terms on the provider's page.

Questions