kopia/kopia: Cross-platform backup tool for Windows, macOS & Linux with fast, incremental backups, client-side end-to-end encryption, compression and data deduplication. CLI and GUI included.

Kopia is a versatile open-source backup tool offering both CLI and GUI interfaces, designed for fast and secure data backups on Windows, macOS, and Linux. It supports end-to-end encryption, data deduplication, and compression, and enables backups to various storage locations, including cloud services and local servers. Users have the flexibility to choose their preferred storage providers and configure multiple backup repositories.