Ouisync is an Android, Windows, and Linux open source application developed by eQualitie and designed to facilitate file synchronization and sharing across various devices without the need for central servers or even registration. Ouisync emphasizes security and privacy, offering end-to-end encryption for all data, including metadata like file names, sizes, or locations. The app ensures that data is encrypted both in transit and at rest. The app supports various modes of file sharing, including read-only, write permissions and a “blind” mode for secure backups. Ouisync is able to function in conditions of limited or no internet connectivity. Like Ceno Browser Ouisync uses the Ouinet library and BitTorrent protocol.


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