Thunderbird currently runs entirely on donations, even though they have paid products in the pipeline.
I think a piece of software running on donations is not running off "charity". It's just a business model to not charge every user. Similar to how Twitch streamers operate, or my local theater group.
I think a piece of software running on donations is not running off "charity". It's just a business model to not charge every user. Similar to how Twitch streamers operate, or my local theater group.
You can read how they spent money in 2024 [1].
[1] https://blog.thunderbird.net/2025/10/state-of-the-bird-2024-...