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We value open source

Why open source

At Mullvad, we believe in the open-source model in which a program's source code is made available, or open, to anyone for viewing and using. In a broader perspective, we believe that this sharing of knowledge will advance the world more quickly and help it to become a better place.

The majority of software that we use and even develop ourselves is open source.
 

Access our open-source projects

All of Mullvad's open-source projects are available on GitHub.
 

Code signing keys

Download our code signing key.

Our guide explains how to verify our signatures.

Developer keys

In Git, we sign all of our tags and every commit that merges features into the master branch of the repositories. Feel free to download the signing keys for our developers: