The Thunderbird team is off to rest and recharge, and come back strong on January 5! Until then: If you need community support: support.mozilla.org If you need to report a bug: bugzilla.mozilla.org If you want to suggest a feature: connect.mozilla.org See you all next year! #Thunderbird
Thunderbird Project
Software Development
San Francisco, CA 2,728 followers
Free & open-source email software and productivity solutions for managing your personal and professional communications.
About us
Thunderbird is the leading free and open-source email, calendaring, newsfeed, and chat client with more than 20 million active monthly users across Windows, macOS, and Linux. One of Thunderbird's core principles is the use and promotion of open and decentralized standards. Thunderbird is part of MZLA Technologies Corporation, a wholly-owned subsidiary of the Mozilla Foundation.
- Website
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https://thunderbird.net
External link for Thunderbird Project
- Industry
- Software Development
- Company size
- 11-50 employees
- Headquarters
- San Francisco, CA
- Type
- Privately Held
- Founded
- 2003
- Specialties
- Email, Telecommunications, Calendaring, Encrypted Email, and Productivity
Locations
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Primary
Get directions
San Francisco, CA, US
Employees at Thunderbird Project
Updates
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We can't put enough gratitude in the character limit for everything our community has helped us do this year, so we wrote a recap blog. Thank you everyone who made this all happen! 💙 🙌 #Thunderbird #OpenSource https://lnkd.in/gfG_8Qrq
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It's the last Development Digest for 2025! We're celebrating our Exchange success (but not resting on our labors), sharing our Calendar UI milestones, and grateful for a community contribution to fix a 19-year-old bug! #Thunderbird #OpenSource https://lnkd.in/grhayUA2
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Exchange email support has landed! We've invited members of our desktop team to Community Office Hours to give us all the details about what's in now and what's coming next! #Thunderbird #Exchange https://lnkd.in/gaCAHqP3
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Recently we completed a security audit of Thunderbird Send, our upcoming end-to-end encrypted large file sharing service, with the help of the Open Source Technology Improvement Fund, Inc (OSTIF) and 7ASecurity . Read our summary of the report's findings, and learn how we've acted on these recommendations to be more secure and worthy of the trust our user community places in us. #Thunderbird #OpenSource #InfoSec https://lnkd.in/gyFgjtBh
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We're grateful for Giving Tuesday, a day to support the organizations and projects you care about! #Thunderbird #GivingTuesday
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Fixing old Android code, integrating with the upcoming Thunderbird Pro, and making a balanced iOS roadmap are all part of our mobile development goals in 2026. #Thunderbird #OpenSource https://lnkd.in/gpefF6Wy
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Thunderbird Pro is getting closer to its Early Bird release! Find out what that means and what it includes in our latest update. #Thunderbird #ThunderbirdPro #Thundermail #OpenSource https://lnkd.in/grfpKV5v
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If your school or workplace uses Exchange for email, accessing it with Thunderbird just got easier! Our blog post has all the details on getting connected. Additional features, like calendar and address book, are in the works. #Thunderbird #Exchange https://lnkd.in/enQqc8_B
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It seems like yesterday we released Thunderbird for Android. See how fast our first mobile app is growing up. #Thunderbird #OpenSource #Android https://lnkd.in/gzba7SFd
