Move terabytes straight between devices. No cloud, no accounts, no middleman. End-to-end encrypted. Free and open source. Made my @oliver
Berlin, Germany
Joined August 2026
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Mirall is an app that allows the secure and private transfer of files directly peer-to-peer. You do not have to register or setup an account, and because there is no cloud storage, Mirall is able to send files of unlimited size, even terabytes.
github.com/ok/mirall
Mirall 1.13.1 is out which contains a fix where some users would see degrading or fluctuating download speed.
github.com/ok/mirall/release…
Our latest release v1.10 is about folder sharing, and
getting it right.
Owner and mirror get the same screen now, the same tiles, the same buttons. Everyone can see how everyone else's copy is doing.
Plus a long list of fixes underneath.
Full changelog: mirall.app/changelog
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Mirall is designed to move very large files — hundreds of gigabytes, terabytes — directly between two machines. Nothing is uploaded to a server first, because there is no server. End-to-end encrypted, no account needed. Free and open source.
mirall.app
