Thunderbird remote work and careers
Free & open-source email software and productivity solutions for managing your personal and professional communications.
About Thunderbird
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.
Mission and direction
Thunderbird develops trusted, open-source communication tools including email, calendaring, newsfeeds, chat, and related privacy-respecting services. Built on open and decentralized standards, the organization empowers people and communities to manage digital communication with transparency, user control, and long-term sustainability across desktop, mobile, and web experiences.
Company values
- Open source
- Privacy-first
- User first
- Transparency
- Collaboration
- Inclusivity