Unlike most other tools on the Internet, Tails comes for *free* as in *freedom*. We are not selling your data, sending you targeted advertising, nor will ever sell our project to a big company. We give out Tails for free simply because everybody deserves to be protected from surveillance and censorship. But also because being free software is a necessary requirement for our tools to be safe, and protect you as intended. If our source code was closed, there would be no way of actually verifying that our software is trustworthy.
We often hear complaints about the fact that many software projects that are meant to fight surveillance, like Tor and Tails, get a lot of funding from the US government whose own surveillance projects are severely criticized. We completely share this concern and we will worry about our accountability and sustainability as long as the survival of our project depends on a few small grants, some of them coming from organizations linked to governments.
The answer is clear to us: the survival of Tails should be guaranteed by our users themselves, so that in return, we can continue to use our money in their best interest, with complete independence.