The BorgBase team has cooked up a new open source backup client written in Rust.

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It's Foss

Vykar is a new open source encrypted backup tool written in Rust, developed by the BorgBase team and released under GPL-3.0. It features deduplication via FastCDC, compression with LZ4 or Zstandard, AES-256-GCM or ChaCha20-Poly1305 encryption, a first-party desktop GUI with system tray support, a WebDAV server for browsing snapshots, and concurrent multi-client backup support. Performance benchmarks against a 49 GiB dataset show Vykar completing backups in 61 seconds versus Borg's 268, Restic's 138, and Kopia's 85, with similar advantages in restore times and CPU usage. The tradeoff is higher memory usage (623 MB vs Borg's 236 MB). Configured via a single YAML file, it supports local filesystem, S3-compatible storage, SFTP, and REST server backends. Pre-built binaries are available for Linux, macOS, and Windows.

Vykar is a New Open Source Backup Tool That's Faster Than Borg, Restic, and Kopia

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“This tool is not recommended for production use by the developers; proceed with care”