ESR Channel
Donate
Welcome to Freedom
Thunderbird is a gift from thousands of people like you. We hope you'll enjoy the productivity, privacy, and freedom they make possible and we invite you to become part of that gift to others.
Free and Open Source
Thunderbird is now yours forever.
Thunderbird is developed openly and distributed freely. Our software license protects your right to use, modify, and share Thunderbird. Our mission is to protect your privacy and freedom.
Powered by Community
You can become part of our story.
Anyone can contribute to Thunderbird. By donating, translating, answering questions, suggesting features, reporting bugs, and more, you make Thunderbird better for yourself and the world.